Hopefully nothing bad with u. This happens when a twin pregnancy is confirmed at around 6 weeks (with an ultrasound), but the twin has "vanished" or been reabsorbed by the next scheduled appointment (around 12 weeks). Im sorry that you're having to go through this! Bleeding after 22nd week of pregnancy: always refer the patient to an obstetric clinic as emergency. The blood might be bright red or a brownish discharge, continuous or intermittent, light or heavy. Bleeding in the second trimester is less usual, with heavier bleeding being a more serious . Updated 26. You may still have typical pregnancy symptoms in the beginning, but eventually you'll have bleeding that will be a signal to call your doctor. on my second pregnacy i hadsome bleeding before my 13 week doc said nothing they could do any how to early go home rest put feet up a bath helped me they did ultrasound didnt find nothing i went home scared as hell but bleeding stop 6 months later started labor . Found inside9 A 32-year-old lady who is 12 weeks pregnant presents with crampy lower abdominal pain and bleeding. She states she passed a 'large ... Conjoined twins Match the following statements to the correct type of twin pregnancy listed above. I was on my feet a little more than usual that day, but nothing major. The truth is, our best thinking isn't done in the shower, it's done while we dream. In fact, when we say, "Let me sleep on it," what we're really saying is, "Let me dream on it. I don’t want to scare you, but it is better to check now, until it will be late. 6. Early Pregnancy is the first book to embrace a multidisciplinary approach to this rapidly growing field. Hi, lurker here.  I am 13 weeks, 1 day, and spotted last night.  Called the dr, said as long as I don't cramp and continue then to call in the morning to the office and just let them know.  It stopped/turned brownish like the end of a period and never cramped so called in the am and nurse said just pelvic rest for 48 hours and to call if it happened again.  I *think* it happened again tonight- but not as bright red but not quite brown either.  But also not as much as last night.  No cramping.  So I haven't called, but probably will.  I can't really afford to go to an urgent care so would probably go to my drs office tomorrow to get an ultrasound/hear the heart beat.  Right now I'm just super anxious and was wondering if anyone has had any spotting at 13 weeks or earlier and it has been ok.  Just trying to take my mind off things and it doesn't help that I just announced yesterday on FB, ugh.  Also, heard the heartbeat at 8 and 12 weeks (which was a week ago). (For a while, at least!) Vaginal bleeding late in pregnancy may just be a sign that your body is getting ready to deliver. Note that once you confirm, this action cannot be undone. Well, I did have a break at 11 weeks for about a week and then I bled and passed clots again. This time however it's continuing past the 13 weeks grr. It was just our bad luck (clot unseen on multiple scans) and were told although not strictly normal, spotting is usually fine. Are you sure you want to delete your comment? I found out I had low progesterone (which shouldn't be an issue at 13 weeks) and went on a supplement. Development of polycarpous pregnancy creates big load on a pregnant woman's organism. Are you sure you want to delete your discussion? Hi. A better way to learn maternal and newborn nursing! This unique presentation provides tightly focused maternal-newborn coverage in a highly structured text In most incidences, pregnancy loss occurs between week five of pregnancy and week eight of pregnancy. I called the OB on call and he thinks it may be the 3rd empty sac they had found on my ultrasound or my OB had decreased my dosage of progesterone on Monday. Ofcourse I freaked out and went to emergency care right away. The second edition of this quick reference handbook for obstetricians and gynecologists and primary care physicians is designed to complement the parent textbook Clinical Obstetrics: The Fetus & Mother The third edition of Clinical ... I had some spotting around 5 weeks. Also I spotted for like 5 days so it may continue for a bit. How much bleeding is too much? They gave me progesterone vaginal suppositories to use for 2 weeks and told me to follow up with my doctor. We respect everyone’s right to express their thoughts and opinions as long as they remain respectful of other community members, and meet What to Expect’s Terms of Use. The next week (20 wks) I started bleeding, like I was having a period,with cramping. I'm fairly certain they never discovered the source of the spotting, but it eventually stopped and now we're both 19 weeks! I had brown discharge throughout my entire pregnancy. Bleeding at 13 weeks. This book offers a unique and focused study of the use of ultrasound during the first trimester, a critical time in a fetus’ development. I've had no discharge and also getting little butterfly movements now so slightly feeling baby moving. Just think positive. I’m 11 weeks now and haven’t had it again. I was a triplet pregnancy and now 20 weeks with twins. I called my OBGYN as soon as I could this morning. 2nd pregnancy currently at nearly 14 weeks and had minimal 'spotting' this time, much less than the first time around, as in literally a few spots on occasion - about 5/6 times altogether and lasted minutes. In other words, your baby has exited the embryonic stage. I wouldn't stress as I was bleeding heavily from 13 weeks until week 15. by: Anonymous I was bleeding at 5 weeks 4 days went to the ER and they did a ultrasound and told me they two sacs one measuring at 9.5 and the other measuring at 9.2 but they said it was WAY to early to hear a heartbeat so they didn't even attempt. Bleeding is common during the first trimester of pregnancy, affecting 15 to 25 percent of pregnant women. Hi I am 13 weeks pregnant with twins last week I have little bleeding I am going hospital Dr exams my vaginal everything is ok after 1 day I have scan midwives tell me baby's ok .but today Sunday midnight I have to much bleeding no pain but bleeding I am very upset plzz tell me advice Wife (25m) pregnant with twins has spotting and recurring cramping/ache (12 weeks) Welcome to r/pregnant! I am worried about what the implications are for the other baby and waiting over the weekend is killing me. About seven weeks into the pregnancy, I had my first ultrasound and the results blew us away: We were expecting identical twins. Should I be going to the doctors about this? Please select a reason for escalating this post to the WTE moderators: The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff. An u/s in the ER showed a subchorionic hematoma which was around 6cm in size (considered large by most standards). Developmental and Fetal Origins of Differences in Monozygotic Twins: From Genetics to Environmental Factors examines the major causes of discordance in monozygotic twins, from genetic, to environmental influences, including discussions on ... Bleeding in the first trimester (weeks one through 12) might occur, and most women who experience bleeding during pregnancy go on to deliver healthy babies. A core reference for residents and practitioners for more than 40 years, this volume has been thoroughly revised and reorganized to provide complete, authoritative coverage of the modern clinical practice of obstetrics and gynecology. Starting now, your baby's head growth is slowing down and fetal body growth is picking up. Most miscarriages occur in the first 13 weeks of pregnancy. Three days ago I noticed I had started bleeding. I had no bleeding of any kind until exactly 13 weeks. Prayers to you that it’s nothing serious! Your Pregnancy and Childbirth: Month to Month is a resource for informational purposes. Found inside – Page 39weeks 8-13 Gaining enough weight during pregnancy is extremely important when you're. but most doctors now agree that you can cover ... If it happens in the week or two after you conceived, the spotting could be implantation bleeding. It can be vegetables, fruits or foods with wholegrain, Prunes and figs are loaded with fiber and are great at relieving constipation. But unfortunately thet don’t do nothing. It started off as bright pink and then came to be brownish in color. . It was a relief and we had no answers. Decidual Bleeding. The bleeding has been getting heavier every day until today at 14 dpo I’m having dark brown... Help! The first trimester consist of week 1, week 2, week 3, week 4, week 5, week 6, week 7, week 8, week 9, week 10, week 11 and week 12. This is a space for everyone. The risk of miscarriage has dropped significantly, and you may begin to feel more energetic. Your baby is the size of a peach, 3 inches long and about 2 ounces. Milk glands and fatty tissues in your breasts grow in preparation to feed not one but two babies! The Cochrane Library is published by John Wiley on behalf of The Cochrane Collaboration. www.thecochranelibrary.com "This is the best, and most concise, evidence-based book on Pregnancy and Childbirth. We are pro-choice, pro-LGBTQIA, pro-science, proudly feminist and believe that Black Lives Matter. It is, instead, able to change its own structure and function, even into old age.Psychiatrist and researcher Norman Doidge, MD, travelled around the United States to meet the brilliant scientists championing neuroplasticity, and the people ... January 2020. My doctors office said as long as there was no cramping they were not concerned, since they previously heard the heartbeat and had a good ultrasound. Pain, bleeding, and discharge. The founder of the Twiniversity website offers a complete guide to expectant mothers for surviving the birth of twins, including how to breastfeed for two, sticking to a single sleeping schedule and provides a list of the most essential ... I know it's a relief to see them on the screen doing well. Brown spotting or otherwise, I would definetly call you ob/gyn and go in for an u/s, just to be sure. Unlike egg implantation, placental implantation generally occurs after 6 weeks gestation and can occur anywhere up to 14 weeks. Most of the troubles that infuriate the mothers at the beginning of the pregnancy are pretty much gone by this stage and the coming weeks tend to be some of the best ones in a long time, for the babies, too. What causes bleeding at 13 weeks pregnant? On Friday, it started with very light dark brown spotting. I still go to work and go about my day. It might soon be time to shop for a larger, more comfortable bra. It looks like you’re going places. Hi Ladies, I am 12 weeks pregnant today withour second baby and for the last 48 hours have been having a brown discharge on about 4 occasions. Sometimes even if the 2nd sac was empty a 12 week scan doesn't detect it's there (hidden twin syndrome) but it would become apparent at the 20 week scan. 0. I feel like we are still processing it, but we couldn't be more excited! I need to know if I should stop taking my progesterone. I am 15 weeks pregnant and seven days ago i started bleeding,it wasnt much,but we went to the ER well they said my cervix was closed and the heartbeat was fine it was 160,bloodwork was good,still they gave me a paper saying threatened miscarrage,and wanted me to go to my doctor in the morning. Yesterday I started bleeding fairly heavily and passed something. #10 Cetarari, Oct 8, 2012. Vaginal Infection. Last modified 1. My friend and I have the same due date, and she spotted some brown/light pink for 4 or 5 days during week 11-12. However, there are certain . Wife (25m) pregnant with twins has spotting and recurring cramping/ache (12 weeks) Welcome to r/pregnant! In most cases, in the first trimester of pregnancy, bleeding might last only about three days. Fully explaining each underlying idea, this book is much more than a simple how-to parenting guide. I called the Early Pregnancy Unit when it started on Wednesday evening and they asked me lots of questions about pain etc.. because it was brown and not red and no pains they said had to wait until yesterday morning (Thursday) to ring them back at 8am. Don’t be in stress. This is the name given to fake periods during pregnancy. Baby is now developing reflexes—if you poke your 12-week pregnant belly while looking at baby on an ultrasound, you'll likely see movement. Bleeding at 6 weeks pregnant or 11 weeksmay variety from a bloodstained discharge found on bathroom tissue to bleeding that might be as heavy as you experience during a typical period. Trigger Warning. This splendid volume presents numerous aspects of preterm labor and delivery, from its fundamental mechanism to clinically focused approaches. In the first half of your pregnancy, aim to gain about a pound per week. Some women start to experience an increased sex drive around this time, possibly as a result of pregnancy hormones or increased blood flow to the pelvic area. I am 16 weeks today, and will be monitored every 2 weeks now until it subsides/heals. We had to book an emergency ultrasound due to this pregnancy scare.Also, check o. Although most women have one experience of bleeding, a small number will bleed throughout the entire pregnancy. The detailed list is as below: Week 4. Found inside – Page 55Without an ultrasound , you might have gone through weeks of spotting and bleeding , wondering the whole time if your ... To our surprise , they found I had been pregnant with twins and only one had miscarried — the other one was doing ... Unfortunately I lost the pregnancy at 11 weeks. In this book, they dive further into the podcast topics that resonated most with sensitivity, hilarity and serious smarts, and open the conversation further to include personal stories from listeners. I never have started spotting until 13 dpo so I suspected it was implantation bleeding.. Vaginal bleeding during pregnancy, whether it occurs at 14 weeks or indeed at any other time, can be a serious cause for fear and anxiety.Dr Tom Pettinger has written an exclusive article for My Baby Manual: Vaginal Bleeding in and Spotting Pregnancy which looks at when to seek help and discusses bleeding at various stages in pregnancy. At 13 weeks the bleeding finally stopped. Most women that conceive and are expecting a baby will likely not have a miscarriage after 12 weeks of pregnancy. I am just under 14 weeks and this afternoon when I went pee I noticed a small brown spot on my panties. At a UN General Assembly Special Session in 1999, governments recognised unsafe abortion as a major public health concern, and pledged their commitment to reduce the need for abortion through expanded and improved family planning services, ... An up-to-date, thorough guide to pregnancy offers a week-by-week overview of fetal development, as well as straightforward, supportive advice on how to promote a healthy pregnancy, real-life labor, essential preparations for parenthood, ... But at change of pose, pain will cease. We are expecting twins! Authors from all over the world have contributed to this book, bringing the best from their research experiences. The book give the reader a state-of-the-art update of multiple pregnancy. This book draws upon the latest research showing how beneficial and life-changing natural birth is for both babies and moms. Please whitelist our site to get all the best deals and offers from our partners. Thus uterine sheaves stretch, and you can feel pain. I actually found out I was pregnant with twins due to bleeding. I'm 13 weeks pregnant, and started spotting in the middle of the night. June 2018, The Day Nemo Flipped Into a Breech Position. I conceived identical twins through IVF including having PGS testing. Found inside – Page 60Chorionic villi sampling (CVS) is done between 11 and 13 weeks gestation. ... This diagnostic test is not recommended for a woman with an infection, who is pregnant with twins, or who is experiencing vaginal bleeding. Next week marks the beginning of your second trimester, when many women see early pregnancy symptoms such as morning sickness and fatigue subside.More good news: Many women also notice a distinct increase in their sex drive around this time.. Making colostrum I spotted around 10 weeks and like the other ladies said no stressing unless there is cramping and bright red new blood soaking through a pad an hour or so....hard to relax but try. There was bright red blood covering my underware, thin panty liner and even on my jeans. It just happened again, called back , they want to see . Spotting and very small amounts of blood may also be harmless. You're 12 weeks pregnant with twins. The book offers an immersion into non-tubal ectopic pregnancy and the reader is invited, chapter after chapter, to visit the most important aspects of non-tubal ectopic pregnancies. Also, heard the heartbeat at 8 and 12 weeks (which was a week ago). This is followed by an explanation of some of the medical conditions affecting that particular system and how they should be treated — in women, not men. As many as one mum in four with a healthy pregnancy has some sort of bleeding or spotting in the first trimester (Hasan et al 2010, van Oppenraaij et al 2009) . If you'd like to try for a vaginal birth, raise it early on with your obstetrician.Then you'll have plenty of time to discuss and think . Went for a check up and the baby looks good, the heartbeat is normal. Pregnancy can cause changes to the cervix, and this may sometimes cause bleeding - after sex, for example. 6 Lightest Double Strollers for Your Babies! Your midwife will also offer you an extra blood test for anaemia when you are between 20 weeks and 24 weeks pregnant, as well as the test all pregnant women have at 28 weeks (NCCWCH 2011, NICE 2011). Pregnancy symptoms during week 13. She had conceived after ovulation induction with clomiphene citrate (CC). His/her head accounts for more than 50% of the crown to rump measurement, and that's the way it's going to be for a few more weeks. Find advice, support and good company (and some stuff just for fun). That is good to hear you had a dd curly, and a lovely thing to do. : (. But in a lot of instances it is normal, especially in the first trimester of the pregnancy. Feeling scared! Make the best of it and engage with other pregnant women for support. Mine started with a gush of red blood at 10wks which continued for several weeks after. I started bleeding at five weeks. I have had two normal healthy ultrasounds at 7 and 12 wks. Hi, I'm currently 6 weeks pregnant after IVF (two embryos transferred). This is also a case for medical intervention and you may be asked to take complete bed rest. Of course, you don't want to stress yourself out about these numbers. The fourth week of your pregnancy is when the implantation process takes place. heavy vaginal bleeding while pregnant Bleeding While Pregnant bleeding during first trimester, not very heavy but not spotting Im 22 weeks and 5 days pregnant and bleeding Brown spotting in the Second Trimester Bleeding with light cramping in first trimester Bleeding/ blood clot 26 weeks bleeding during first trimester placenta previa I'm still having spotting but baby is healthy and kicking. Follow your pregnancy journey every single day with this unrivalled book, now fully updated to reflect the latest changes in medical practice. We are pro-choice, pro-LGBTQIA, pro-science, proudly feminist and believe that Black Lives Matter. Written by clerkship faculty and reviewed by students who know what it takes to pass, this book is perfect for clerkship exam review and the USMLE® Step 2 CK. Obstetrics & Gynecology: PreTest® asks the right questions so you’ll know the ... When you're 13 weeks pregnant with twins, you're in the second trimester of your pregnancy. OB wasn't worried and my kid came out fine. Learn more about, Your Guide to the Third Trimester of Pregnancy. I have Vanishing twin syndrome is the loss of one twin during pregnancy, usually in the first trimester, and oftentimes before the mother even knows she's carrying twins. Now I’m trying this cycle also with progesterone. It was similar to yours, not heavy and eventually went to more brown of a color. 9-13 Weeks Pregnant With Twins. You're more likely to give birth by caesarean section. However, it isn't always a sign of trouble. Later on, they'll have a slightly slower rate of growth. Spotting during pregnancy is a common concern that many pregnant women face. Abnormally placed placenta, above the pelvis and in the cervical canal, can lead to bleeding. I cried and cried as I was so scared to miscarry. Reply. I had bleeding around 5-6 weeks and then again 12-13 weeks. Pink spotting at 14 weeks. Start by selecting which of these best describes you! During the later stages of pregnancy undoubtedly you don't menstruate. I have also had two previous m/cs, one at 7 and . I've had brown spotting since the beginning of my 6th week, now will be 11 weeks tomorrow. Went for a checkup again yesterday, baby is still in there happy as can be, but the hemorrhage is still there. When this happens, the tissue of the miscarried twin is usually reabsorbed by the mother. Anti-choice activists, intactivists, anti . I got pregnant my last cycle with progesterone. Pregnancy Update: 13 Weeks with Twins. This measurement is more difficult earlier in pregnancy than later on, when an ultrasound may have already detected the presence of twins. Turns out I just have an implantation bleed where part of my placenta meets my uterus (i think). At 19 weeks I found out I was having twins, the very next day I started leaking fluid, by the time I got to the hospital the water was pouring out. In week 13 of your pregnancy, you could see some complications like discharge and bleeding. I felt a rush of blood in the late afternoon and headed to the restroom. At 13 weeks pregnant, Sarah started bleeding along with passing brown clots. A Group Owner is a member that has initiated the creation of a group to connect with other members to share their journey through the same pregnancy & baby stages. This is exactly what I went through, but at 9-10 weeks. A lot of girls have had brown spotting during pregnancy, and had done well with healthy babies. I'm 13 weeks today, I had my scan 2 days ago & all was well. If you know you're pregnant and experience brown or bright red bleeding with or without cramps, speak with your doctor. She finally got in for an ultrasound at 12 weeks 4 or 5 days, and everything was just fine. Use of this site is subject to our terms of use and privacy policy. Brown discharge at eight weeks pregnant. This is what happened after few days. Like the other posters have mentioned, it was brown and everything turned out fine. They are a friendly voice in the group and have a direct line to What to Expect moderator staff. Vaginal bleeding during pregnancy. I had spotting around 10.5 weeks, it lasted about a day and was very light pink.  It was never a ton, but it was definitely visible.  I called the nurse line at my OB / midwife office and they brought me in later that afternoon to check for heartbeat.  We were able to hear the heartbeat with the doppler, which was a huge relief.  Spotting stopped the next day and I haven't had it since.  Did you recently have sex?  They think that is what caused my spotting. Create an account or log in to participate. Baby's heart rate is fine thankfully. Brown spotting at 6 weeks: Mar 01, I had my scan 2 days ago & all was well, A thick jelly like discharge could signal the end of pregnancy, they said that some women have a bit of blood on the outside of the placenta which can come out, I'm 13 weeks 5 days and I had a bleed at 11 weeks but had an ultra sound and all was fine, Collect the material and bring it with you, Here's six weird . Book description to come. I had an ultrasound the next day . Dark blood in my underwear and on the toilet paper. They could also see what looked like a clot and they think the bleeding is either the clot or possibly the . :( they said one of the babies has more of a baby feature (weird . Different vaginal discharges become common as spotting during pregnancy. Don't be in stress. This action cannot be undone. Went to the ER and came back and said I had two sacs with fetal poles and measured them at 5 1/2 weeks. Right now I'm just super anxious and was wondering if anyone has had any spotting at 13 weeks or earlier and it has been ok. Just trying to take my mind off things and it doesn't help that I just announced yesterday on FB, ugh. New features of this book include a specific range of recommended gain for obese women. 13 WEEKS LIGHT SPOTTING Gavsmom Due March 30; 1 child; Massachusetts 269 posts. I bled every day, nonstop, with lots of clots until 13 weeks. reviewed by our medical review board and team of experts. They said as long as it’s not a heavy flow or bright red like a period and I am not in any pain or cramping, not to be worried. Wear your masks, wash your hands, and be excellent to each other. However, other factors may also increase the measurements. Fuller breasts. This action cannot be undone. Baby’s heartbeat is fine and u/s looks good. thank you all for ur opinions! This morning, there was a tiny bit of light brown discharge in my knickers and then a bit when I wiped. Keep on at them but keep your feet up. A twin or multiple pregnancy may cause the mother's uterus to expand beyond the range of a single pregnancy. With my second, I had some spotting around 13 or 14 weeks. This time I actually had an appt the next day (yesterday). Still happens almost daily, but baby is doing well at all my checks. Twin Pregnancy Symptoms and Conditions. If you're 13 weeks pregnant with twins: Your recommended total pregnancy weight gain is 37 to 54 pounds. At end of the tenth week of pregnancy, your baby is no longer an embryo and is instead called a fetus. Last month we announced our BIG NEWS for the Sippy Cup Family! brown discharge during pregnancy. Chance of Having Twins Again: Who’ll Have a Second Set? You may feel more energetic and have more energy during the day. Very confused about bleeding at 15 weeks. : (. A 27-year-old primigravida reported at 13 weeks with hyperemesis and vaginal bleeding. Check heartbeating, I had brown spotting, after it turnd to red blood, and in few days i had misscarriage. Bleeding that occurs early in pregnancy is usually lighter in flow than a menstrual period. This is a space for everyone. Sending prays for you . In the second half, aim to gain a little over a pound per week. I started having very light watery beige discharge on 11dpo. Is this a faint positive? Breastfeeding Twins: Experiences from a Twin Mom, Overweight Women Are More Likely to Give Birth Prematurely, TTTS infants more at risk of persistent pulmonary hypertension, Kidney Function of TTTS Babies has Been Examined, Eat foods high in fiber. Unexplained miscarriage at 13 weeks with IVF Identical twins. I’m 13 weeks/4 days today. "Generally when you are pregnant with twins, fetal movements become more noticeable at weeks 18 through 20 of pregnancy, and the same is true in singleton pregnancies," Al-Khan says. If you feel a message or content violates these standards and would like to request its removal please submit the following information and our moderating team will respond shortly. I'd definitely follow up with your OB but no cramping is a good sign. At 13 weeks pregnant with twins ultrasound report carries the details of approximate size and weight of the baby. This educational content is not medical or diagnostic advice. Now is the perfect time to start your Baby Registry! This 2020 edition includes: · Country-specific risk guidelines for yellow fever and malaria, including expert recommendations and 26 detailed, country-level maps · Detailed maps showing distribution of travel-related illnesses, including ... Found inside – Page 50813. 14. 15. 16. 17. 9. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 10. 11. 50. Chapter demonstrating posterior acoustic ... The first trimester extends through the twelfth week of pregnancy. 8. c. I'm not sure I remember correctly but she had a valid reason. AnnieG over a year ago. Get weekly updates on baby and your body. Do not google it's the devil! During this week of pregnancy, your child's eyelids and outer ears begin to form and the intestines rotate. Have you been exercising, sex, etc? We strive to provide you with a high quality community experience. the early pregnancy unit told me just to keep an eye on it, but I’m going to call my GP in the morning to request swabs to check for infection. Some bleeding/spotting is normal during pregnancy unless its ALOT of bleeding. I am on a “laid back” bed rest until Monday. During the first 12 weeks of pregnancy, vaginal bleeding can be a sign of miscarriage or ectopic pregnancy. It could start as early as six weeks into your pregnancy or as late as 12 weeks. Another cause of vaginal bleeding during pregnancy is the bleeding of the placenta. C-section With Twins: Preparation & Delivery, Twins Born at 34 Weeks: Labor and Special Care, Twin Birth Stories: Natural, C-Section & Vaginal Birth After C-Section. Unexplained miscarriage at 13 weeks with IVF Identical twins. It could be old blood from implantation bleeding, my muscles loosening, irritation from intercourse, beginning of UTI, my body cleansing itself after a workout (I’m pretty active), etc. The fourth edition of Critical Care Obstetrics has been extensively revised to reflect the advances that have been made in maternal-fetal medicine. This edition contains 14 brand new chapters written by the field's leading physicians.