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Doctor insights on: Fetal Development At 18 Weeks

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Ultrasound at 7weeks 4days pregnant showed single live fetus and yolk sac with heartbeat of 171bpm. What are the chances of miscarriage after this?

Ultrasound at 7weeks 4days pregnant showed single live fetus and yolk sac with heartbeat of 171bpm. 
What are the chances of miscarriage after this?

Same as everyone: The ultrasound findings you describe are normal. So you would have NO increased risk of a miscarriage based on the the study. Your risk would be related to other factors like prior history of miscarriage. If you are concerned about miscarriage, speak with your Obstetrician. ...Read more

Dr. Tiffanie Noonan
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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Vaginal ultrasound did not detect heartbeat at 6 weeks 4 days. Seen the sac and embryo. Risk of miscarriage?

Vaginal ultrasound did not detect heartbeat at 6 weeks 4 days. Seen the sac and embryo. Risk of miscarriage?

50/50: At this point i would say your chances are about 50/50. A vaginal sonogram at 6 weeks and 4 days can usually see a heartbeat; but if your dates are off a little, it could be too early. As long as you aren't having a lot of pain or heavy bleeding, waiting a week and rechecking the sonogram is probably best. ...Read more

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Does the chance of miscarriage decrease at 8 weeks (6 weeks past conception) or only at 12 weeks?

Does the chance of miscarriage decrease at 8 weeks (6 weeks past conception) or only at 12 weeks?

Yes: A large portion of abnormal pregnancies will miscarry or stop growing by 8 weeks. Many of the rest will be lost by 12 weeks. ...Read more

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Ultrasound at 12 weeks. Baby looked healthy. What are the chances of miscarriage after this?

Ultrasound at 12 weeks. Baby looked healthy. What are the chances of miscarriage after this?

Unlikely: Most miscarriages occur in the 1st trimester. As long as there are no other risk factors unlikely. All the best. ...Read more

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Does sex damage the development of a baby during 7 weeks of pregnancy?

Does sex damage the development of a baby during 7 weeks of pregnancy?

NO: Having sex does not damage a baby's development during any part of pregnancy. For more about sex during pregnancy see http://www.mayoclinic.org/healthy-living/pregnancy-week-by-week/in-depth/sex-during-pregnancy/art-20045318 ...Read more

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Age 21 first pregnancy. Vanishing twin lost at 7 weeks. Nuchal translucency scan this week, so nervous! What are the chances that its high risk?

Age 21 first pregnancy. Vanishing twin lost at 7 weeks. 
Nuchal translucency scan this week, so nervous! What are the chances that its high risk?

Don't worry: It sounds like you are getting good care. Try not to worry as it is not good for you nor your pregnancy. Just wait and see what the tests show. Try to enjoy your pregnancy, and do what you can to stay healthy. Drink plenty of water, eat a healthy diet containing lots of fresh fruits and vegetables, walk 45 minutes every day, and take Prenatal vitamins containing Folic acid. ...Read more

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I registered 9wks 6days at my very first u/s (6/25/12) which was after 6wks of pregnancy. Is that right, stating after the 6thwk, fetus doubles size?

I registered 9wks 6days at my very first u/s (6/25/12) which was after 6wks of pregnancy. Is that right, stating after the 6thwk, fetus doubles size?

Yes: You've been asking this same question over and over. What exactly are you trying to understand about it. If you get to the point we can answer more directly. Usually this type of question concerns 2 potential fathers and determining conception date. ...Read more

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Ultrasound at 6weeks 2days pregnant shows gestational sac, yolk sac, fetal pole n heartbeat (133bpm). What are the chances of miscarriage after this?

Ultrasound at 6weeks 2days pregnant shows gestational sac, yolk sac, fetal pole n heartbeat (133bpm).
What are the chances of miscarriage after this?

Risk is decreased: The fact the fetal pole has a heartbeat is very good and encouraging. However, the risk of miscarriage is still present until 12-13 weeks. That is why most celebrities do not release statements about pregnancy, due to the fact that miscarriage can happen. After this time, with a normal fetal heartbeat and placenta, the risk of miscarriage drastically decreases. ...Read more

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Ivf risk of pregnancy after seeing a heartbeat at 7 weeks?

Ivf risk of pregnancy after seeing a heartbeat at 7 weeks?

90%: If i understand your question correctly, you are asking the chance of live birth after you seeing a fetal heart beat at 7 weeks gestation. It depends, in general about 90%. ...Read more

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Single intruterine fundal gestational sac is seen with no detectable fetal pole development at 7 weeks 4 days will the baby survive looks like 5weeks?

Single intruterine fundal gestational sac is seen with no detectable  fetal pole development at 7 weeks 4 days will the baby survive looks like 5weeks?

Less likely: So, the first assumption is that the dating is correct. If you are truly 7+4 weeks, there should be both a fetal pole and a heartbeat. But for various reasons you may be only 5-6 weeks so worth repeating ultrasound to make sure ...Read more

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At 16 weeks of pregnancy can a 3rd ultrasound detect the gender?

At 16 weeks of pregnancy can a 3rd ultrasound detect the gender?

At about 20 weeks: Gender is best seen at 18-20 weeks gestation. This is also the time the anatomy scan is usually done. In some cases, the gender can be seen earlier and in still others, we still cannot see it due to the position of the baby and other factors regardless of how far along you are. In general, they can check for gender at 18-20 weeks when they do the anatomy scan. ...Read more

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What causes a subchorionic hemorrhage? Started at 13 weeks and lost baby at 16 weeks. Passed large clots at 15 weeks & 10 hours before miscarriage

What causes a subchorionic hemorrhage? Started at 13 weeks and lost baby at 16 weeks. Passed large clots at 15 weeks & 10 hours before miscarriage

That can be difficul: To say. A placental abruption is what this is called when it happens later in pregnancy, usually due to trauma. Your loss is classified as a miscarriage though it did happen later than usual. The bleeding can be like a chain reaction, blood, cramping then more tearing away. There is a good chance u will be fine with the next pregnancy but review this with your doctor. There may not b a gd answ. ...Read more

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Do two miscarriages (6 weeks and 8 weeks) indicate better chances of a successful pregnancy in future than not conceiving at all ?

Do two miscarriages (6 weeks and 8 weeks) indicate better chances of a successful pregnancy in future than not conceiving at all ?

Yes and no: Yes, it is better than not ever being able to conceive at all. No, because the most common reason for early pregnancy loss is a genetic combination with the embryo that is incompatible with continuing life. This situation may repeat itself if pregnancy again occurs ;statistically. ...Read more

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