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Doctor insights on: Abdominal Ultrasound During Pregnancy

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Are abdominal ultrasounds as accurate for dating as vaginal around 11 weeks of pregnancy? What is the margin of error for abdominal at this gestation?

Are abdominal ultrasounds as accurate for dating as vaginal around 11 weeks of pregnancy? What is the margin of error for abdominal at this gestation?

Yes, if...: An abdominal ultrasound at 11 weeks is just as accurate for dating as vaginal (+\- 1 wk) if the image quality is good. You can see early fetal anatomy much better vaginally though. ...Read more

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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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How accurate is an abdominal ultrasound at 10-11 weeks pregnant? Is there a difference in accuracy of vaginal or abdominal at this stage in pregnancy?

How accurate is an abdominal ultrasound at 10-11 weeks pregnant? Is there a difference in accuracy of vaginal or abdominal at this stage in pregnancy?

Very accurate: Goose: the transabdominal ultrasound is very accurate at that gestational age. The transvaginal is typically done early on in pregnancy to better see the fetal pole and heartbeat. By 10-11 weeks, the pole should be easily seen transabdominally and there should definitely be a heartbeat. ...Read more

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Neg blood test. Pregnancy symptoms since sep. Had transvag & abdominal ultrasound, found fibroids. Baby kicking and moving to sound. What to do next?

Neg blood test. Pregnancy symptoms since sep. Had transvag & abdominal ultrasound, found fibroids. Baby kicking and moving to sound. What to do next?

You are not pregnant: The serum (blood) HCG is very sensitive test. If it is negative and the ultrasound is negative, y9ou are not pregnant. You have fibroids and they can be treated several ways. Talk with your gynecologist about your options. ...Read more

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Are abdominal ultrasounds just as accurate at dating pregnancies at 8 weeks as transvaginal?

Are abdominal ultrasounds just as accurate at dating pregnancies at 8 weeks as transvaginal?

Transvag better: Generally, transvag more accurate as you can get better views (usually). But if thin patient, experienced operator of the ultrasound and good views it can be very accurate. Best of luck. Dr R ...Read more

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I'm not exactly sure how far I am into my pregnancy, but my b-hcg is at 2600 and my doctor believes I am pregnant in my abdomen. I've done 5 ultrasounds and there is no sign of pregnancy. Any suggestions?

I'm not exactly sure how far I am into my pregnancy, but my b-hcg is at 2600 and my doctor believes I am pregnant in my abdomen. I've done 5 ultrasounds and there is no sign of pregnancy. Any suggestions?

More info: When was your lmp? Have you had any vaginal bleeding? Over what period of time were these ultrasounds done? Have there been any other HCG levels drawn? If so, what were their levels? A pregnancy in the uterus should be seen on a transvaginal scan if the level is above 1500miu. If there was bleeding and you miscarried HCG could still be up without a visible pregnancy. ...Read more

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Abdominal ultra sound scan done at 4 weeks of then unknown pregnancy. Does it affect the baby?

Abdominal ultra sound scan done at 4 weeks of then unknown pregnancy. Does it affect the baby?

No: Ultrasounds are routinely done during pregnancy, often multiple times.Studies have shown no negative effects on the developing fetus. ...Read more

Dr. Payam Mehranpour
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


Abdominal Ultrasound (Definition)

An abdominal ultrasound will reveal the position of the baby and determine if the baby is presenting head first (normal presentation) or ...Read more