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Doctor insights on: 11 Weeks Pregnant With Twins Ultrasound

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When 1st trimester ultrasounds date pregnancy how do they base the gestational age? Do they assume conception occured on cd14?

When 1st trimester ultrasounds date pregnancy how do they base the gestational age? Do they assume conception occured on cd14?

US: First trimester ultrasound is based on biometric measurements only, the embryonic crown-rump length, which is extremely reliable when done by a skilled sonographer. No assumptiosn need be made at all. The ega is however reported correctly, by convention, from the first day of a hypotehtical last menstrual period; so in that regard it 'assumes' conception on cd 14. ...Read more

Dr. Michael Gabor
2,190 doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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With a normal pregnancy, all ultrasounds including ones in the 1st trimester showed LMP 10/15/12. Could conception have occurred after 11/7/12?

With a normal pregnancy, all ultrasounds including ones in the 1st trimester showed LMP 10/15/12. Could conception have occurred after 11/7/12?

Pregnancy sono: If the ultrasounds were done in the first trimester and all confirm the 10/15/12 lmp, then there is little chance that conception occurred after 11/7/12. The first trimester ultrasound is usually sensitive to +/- 3 days. ...Read more

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Hi, 11 weeks pregnant with dichorionic twins, my 2nd twin is near right cornual region, adj. Myometrial thickness 3.9mm, is it a serious condition?

Hi, 11 weeks pregnant with dichorionic twins, my 2nd twin is near right cornual region, adj. Myometrial thickness 3.9mm, is it a serious condition?

Possibly.: Typically the pregnancy grows in the path of least resistance - i.e. Inside the uterus. Most likely everything will be fine; if you or your obstetrician are concerned about this, an MRI should help put everyone's mind at ease by imaging the entire pelvis and uterus in detail. Best of luck! ...Read more

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If at 11 weeks pregnant doc can't get fetal heartbeat should they do a sonogram. Have history of miscarriage?

If at 11 weeks  pregnant doc can't get fetal heartbeat should they do a sonogram.  Have history of miscarriage?

I would: Usually we don't worry until we can't hear it at 12 weeks. But in a worried woman with a prior history of miscarriage, i would order an ultrasound out of kindness. ...Read more

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How late can you detect a heartbeat from twin pregnancy with transvaginal ultra sound? If demise of one twin will other twin have issues?

How late can you detect a heartbeat from twin pregnancy with transvaginal ultra sound? If demise of one twin will other twin have issues?

Twin is high risk..: Generally, embryonic cardiac activity is seen between 5 and 6 menstrual weeks of pregnancy - single or twins or triplets. If both fetuses share a single placenta (monochorionic, monoamniotic placentation), and if one is demised, the other will likely have problems. A main concern is the effects of twin-twin transfusion. ...Read more

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I am 11 weeks pregnant with twins. I have been fine until now, but yesterday I started spotting brown. Is this normal? What should I look out for.

I am 11 weeks pregnant with twins.  I have been fine until now, but yesterday I started spotting brown. Is this normal? What should I look out for.

Pregnancy bleed: Bleeding during pregnancy may be common but it is not normal and should always be evaluated by your doctor. In most cases things are ok but bleeding must be evaluated. ...Read more

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Is it possible that an ultrasound could miss a heartbeat at 11 weeks pregnant?

Is it possible that an ultrasound could miss a heartbeat at 11 weeks pregnant?

Anything: is possible, but is very improbable not to see ultrasound confirmation of cardiac activity in a normal 11 week pregnancy. ...Read more

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I'm only about 11 weeks pregnant and i've already gained 14 pounds and i starting to show . Is it possible for twins or is it normal?

I'm only about 11 weeks pregnant and i've already gained 14 pounds and i starting to show . Is it possible for twins or is it normal?

Ask your OBGYN: I'm hoping that you've begun to work with an obgyn who will (hopefully) be able to follow you through delivery. If not, now is a good time to start such a relationship. It really helps you feel understood specifically as the time draws near. It may be a normal, if large, early weight gain - or not. Find out and get advise specifically for you and your baby(s?). Congratulations! good luck! ...Read more

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I did an ultrasound on the 23th August 2016 and found out I am 11 weeks pregnant I would like to know when exactly I conceived?

I did an ultrasound on the 23th August 2016 and found out I am 11 weeks pregnant I would like to know when exactly I conceived?

Nobody knows that: Women who conceive naturally NEVER know exactly when they conceived. It's good that in normal everyday life, there is no need to know with exactness. A close guess is between a few hours to a day after ovulation but nobody knows exactly when she ovulates, meaning a woman does not know exactly when her egg pops out of her ovary. If 11 weeks by a scan, conception was 9 weeks ago (plus or minus 1wk). ...Read more

Dr. Julie Abbott
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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