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Doctor insights on: Fetus At 20 Weeks Gestation

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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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Bled whole pregnancy. At 7w(lmp) measured 6 weeks with small gestational sac. At 8w (lmp) measured 6w6d with sac at 4.5 weeks. HR 154. Miscarriage?

Bled whole pregnancy. At 7w(lmp) measured 6 weeks with small gestational sac. At 8w (lmp) measured 6w6d with sac at 4.5 weeks. HR 154.   Miscarriage?

Not necessarily: Hi, Without seeing the ultrasounds it is a little confusing. At the first U/S, what was measuring 6wk?> the sac or the fetus, if they saw one. The second U/S would actually be reassuring; they measured a fetus at 6w6d (the difference from LMP would just mean your dates are off), but a fetal heart rate of 154 is reassuring. The continued bleeding is worrisome, but keep the faith! Good luck ...Read more

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Can a twin lost at 36 weeks gestation.

Can a twin lost at 36 weeks gestation.

Cannot disappear: A twin at 36 weeks can pass in the womb, but will still be there, as opposed to what is called a "vanishing" twin, where a woman with a twin pregnancy experiences the miscarriage of one twin, hence "vanishing" twin. ...Read more

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Does an embryo measuring 6 weeks at 7 weeks gestation automatically mean a miscarriage is inevitable?

Does an embryo measuring 6 weeks at 7 weeks gestation automatically mean a miscarriage is inevitable?

No: Some variation between the last menstrual period and ultrasound may exist for many reasons, including incorrect dating of the pregnancy. The 1 week difference alone does not equal miscarriage. ...Read more

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8 weeks pregnant ultrasound showed 4 weeks.fetal pole n yolk sac not seen gestation sac seen is everything alright?its my first baby

8 weeks pregnant ultrasound showed 4 weeks.fetal pole n yolk sac not seen gestation sac seen  is everything alright?its my first baby

Most likely, YES: Ultrasound is superior to your period in dating early pregnancy. A gestational sac is the first sonographic sign of pregnancy and appears about 4 1/2 weeks. Next is the yolk sac at about 5 weeks. The fetal pole with a heart beat at about 5 1/2 to 6 weeks. So, yes, it appears your pregnancy is progressing normally. ...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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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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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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Im 7 weeks pregnant from ivf, hCG rising, now at 20700. 7 week scan had gest sac @ 13mm and yolk sac, no fetal pole or heartbeat. Is pregnancy doomed?

Im 7 weeks pregnant from ivf, hCG rising, now at 20700. 7 week scan had gest sac @ 13mm and yolk sac, no fetal pole or heartbeat. Is pregnancy doomed?

I am afraid so.: Your transvaginal sonogram should have shown a fetal pole and heart tones after a beta HCG level of 6, 000. Your rei specialist can fill you in on the issues of early pregnancy failure after ivf, which include molar pregnancy, blighted ovum, heterotopic and ectopic pregnancies. At your age, you should achieve a successful pregnancy within 2-6 ivf cycles. Best of luck! ...Read more

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Babyaa 7wks 4days visible gestational sac and fetal pole, no yolk sac heartbeat. Babybb 9wks 4days alive. Could ob/gyn and perinatal ob tested early?

Babyaa 7wks 4days visible gestational sac and fetal pole, no yolk sac heartbeat. Babybb 9wks 4days alive. Could ob/gyn and perinatal ob tested early?

Doubtful: Usually when twin pregnancies occur fertilization happens at approximately the same time. The growth should be very consistent with each other. It appears that baby a will not continue to grow. I'm sorry. ...Read more

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5 weeks pregnant.TVS showed gestational sac of 4 weeks 3 days by sac diameter 0.52cms?read 5mm sac is 5 weeks pregnancy.Also spotting pink.Concerning?

5 weeks pregnant.TVS showed gestational sac of 4 weeks 3 days by sac diameter 0.52cms?read 5mm sac is 5 weeks pregnancy.Also spotting pink.Concerning?

Follow up US needed: Finding of a yolk sac at early gestational Age is reassuring; a repeat US in1 week is Needed along with quantitative pregnancy Hormone levels 48 hours apart to determine viability of pregnancy; pink spotting may indicate A threatened miscarriage or implantation hemorrhage From a normal pregnancy; so both tests indicated Above are recommended. ...Read more

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Anteverted,bulky gravid uterus,single intrauterine gestational sac 2.7 cm gestational age 6 weeks 6 days no fetal pole is this OK?or a miscarriage?

Anteverted,bulky gravid uterus,single intrauterine gestational sac 2.7 cm gestational age 6 weeks 6 days no fetal pole is this OK?or a miscarriage?

Blighted ovum: A gestational sac without a fetal with a gestational age of almost 7 weeks is most likely a blighted ovum (non development of the fetus). Most likely with result is a miscarriage. If not you may need a D&C. Follow up with your gynecologist in 1-2 weeks. ...Read more

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After 20 weeks pregnant week by week growth rate?

After 20 weeks pregnant week by week growth rate?

1cm each week: Typically your belly will be at your umbillicus during 20 weeks. It shoud grow 1 cm each week after that. ...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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Uterus is gravid containing a gestational sac.Gs measures about 40mm, corresponds with 9 weeks 2 days gestation.No fetal pole or heartbeat. Good/bad?

Uterus is gravid containing a gestational sac.Gs measures about 40mm, corresponds with 9 weeks 2 days gestation.No fetal pole or heartbeat. Good/bad?

Likely bad: This is likely a missed abortion/miscarriage heartbeat appears at 6 weeks fetal pole clear by 7 weeks 4cm fluid sac usually means hydropic absent a fetus serial b HCG levels be done, but overkill. ...Read more