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Doctor insights on: Can Ultrasound Miss Pregnancy

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Can an ultrasound miss a pregnancy 6-7 weeks along?

Can an ultrasound miss a pregnancy 6-7 weeks along?

Depends: A transabdominal ultrasound (from your belly) can miss or not see the pregnancy. This is due to limitations of the technique. However a transvaginal ultrasound would not. ...Read more

Dr. Michael Gabor
2,271 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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Can a pregnancy ultrasound miss a twin? I had an early (8 weeks) ultrasound and the doctor said she couldn't rule out twins at this point. Could another baby really be "hiding"? Only one heartbeat detected, so I don't know what to expect.

Can a pregnancy ultrasound miss a twin? I had an early (8 weeks) ultrasound and the doctor said she couldn't rule out twins at this point. Could another baby really be "hiding"? Only one heartbeat detected, so I don't know what to expect.

Possible twins: The fetus is "really small" at 8 weeks, and another could be hiding. Usually they won't say something like that unless there is some hint at twins though, unless it's really a thing they always add to protect themselves. I'd ask why they said that. If it's standard language, don't worry about it. Otherwise, there might be something they were looking at. ...Read more

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Can you see anything on vaginal ultrasound at 5weeks gestation? Possible to miss a embryo at 5 week gestation?

Can you see anything on vaginal ultrasound at 5weeks gestation? Possible to miss a embryo at 5 week gestation?

Too early: You can see a lot at 5 weeks EGA: you can definitely see a gestational sac and you would likely see a yolk sac. It would be incredibly rare to see a fetal pole (baby) at 5 weeks, so 99% you would definitely miss an embryo at 5 weeks. I'm curious: are you actually 46 years old? ...Read more

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Can a transvaginal ultrasound miss an early preganancy or urine test? I went to the ER and doctor say everything look good no preggo.

Can a transvaginal ultrasound miss an early preganancy or urine test? I went to the ER and doctor say everything look good no preggo.

Ultrasound: The ultrasound can only show If something big enough for it to image a fresh pregnancy is probably too small so pregnancy test in the near future if you had a missed period would be the best test two give you an answer then you can follow up with your ultrasound ...Read more

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Is it ok to have ultrasound free pregnancies? I heard ultrasound can harm unborn children.

Is it ok to have ultrasound free pregnancies? I heard ultrasound can harm unborn children.

Yes: Certainly, you can request not to have any ultrasounds during your pregnancy. However, ultrasound has been used for decades and there are no known consistent health risks to a developing fetus. They are safe. Ultrasound is an easy way to look for potential health issues which may be addressed before delivery, or at least can be anticipated for intervention after delivery. Trust your ob. ...Read more

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How common are partial molar pregnancies among Caucasians? Can they be picked up on a an ultrasound at 5 weeks gestation? Possible signs?

How common are partial molar pregnancies among Caucasians? Can they be picked up on a an ultrasound at 5 weeks gestation? Possible signs?

1:1500: The incidence of a molar pregnancy is about 1 in 1500. If you've previously had a molar pregnancy, its about 1 in 150. In early pregnancy, the symptoms are much the same as a normal pregnancy. Sometimes you can have spotting or more severe nausea and vomiting. U/S at 5 weeks is not always reliable for ruling out molar pregnancy. Best wishes! ...Read more

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Can a transvaginal ultrasound at 6wks 3days miss a twin pregnancy?

Can a transvaginal ultrasound at 6wks 3days miss a twin pregnancy?

Twin pregnancy: Early ultrasound may fail to identify multiple gestation pregnancies in some cases. ...Read more

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Would an emergency room transvaginal ultrasound miss any signs of pregnancy at 7 weeks pregnant?

Would an emergency room transvaginal ultrasound miss any signs of pregnancy at 7 weeks pregnant?

Depends: If your dates are absolutely correct, and you have not had any irregular bleeding, and you have had regular periods in the past, then at 7 weeks gestation, an ultrasound would reveal pregnancy signs. So if the ultrasound was negative for any intrauterine or extrauterine pregnancy, usually, this is corroborated with quantitative beta hCG levels. Hope this helps. ...Read more

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Can a transvaginal ultrasound miss a 11 week pregnancy three days after getting a faint positive pregnancy test?

Can a transvaginal ultrasound miss a 11 week pregnancy three days after getting a faint positive pregnancy test?

Not 11 weeks: Weak positive test is not consistent with an 11 week pregnancy, sonogram should be repeated in a week or two, serial quantitative HCG levels are also helpful in some cases. ...Read more

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Is it possible for a transvaginal ultrasound to miss a pregnancy 8 weeks after contact even if I didn't empty bladder? Doc saw nothing, test is negative

Is it possible for a transvaginal ultrasound to miss a pregnancy 8 weeks after contact even if I didn't empty bladder? Doc saw nothing, test is negative

No: If your pregnancy test is negative then there was no need for a sonogram. An eight week pregnancy would have a positive pregnancy test and would be very easy to see on a sonogram. ...Read more

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Is it possible for a transvaginal ultrasound to miss a pregnancy 8 weeks after contact even if I didn't empty bladder? Doc saw nothing, test is negative

Is it possible for a transvaginal ultrasound to miss a pregnancy 8 weeks after contact even if I didn't empty bladder? Doc saw nothing, test is negative

Ultrasound diagnosis: You should take a pregnancy test, it is negatived the ultrasound (u) is correct in not diagnosing a pregnancy that does not exist. If the test is +, ask a OB for her advice and repeat the u to get a gestational age. Good luck. ...Read more

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How can you miss triplet on ultrasound?

How can you miss triplet on ultrasound?

Depends: Ultrasound is not a perfect technique and sometimes it is not surprising to miss a triplet pregnancy, most o the ultrasound people are highly trained and certified, yet it is hard to prepare for absolut everything that nature can present to you. So be mindfull and understand that it is within our nature and technology to miss things sometimes. ...Read more

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Can fibroids be missed on an ultrasound?

Can fibroids be missed on an ultrasound?

Yes, but: Fibroids can be missed, but only in certain circumstances. If the fibroids are very small or non-distinct, then they may be difficult to spot on an ultrasound. Or if a fibroid is pedunculated and high up above the uterus then it may be hard to see on a transvaginal scan. In those cases a trans-abdominal scan would be needed. But in general, ultrasound is the best way to see fibroids. ...Read more

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How common is it to miss twins on a 7 week ultrasound?

How common is it to miss twins on a 7 week ultrasound?

Very common: Finding twins at this stage of pregnancy is dependent on finding two gestational sacs that are very small. ...Read more

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Can women miss their periods for reasons other than pregnancy?

Can women miss their periods for reasons other than pregnancy?

Yes: Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems (polycystic ovary syndrome or asherman’s syndrome). #1 reason is pregnancy. ...Read more

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I 27 year old boy my miss 26 year old 4 year completed in married but no baby no pregnancy?

I 27 year old boy my miss 26 year old 4 year completed in married but no baby no pregnancy?

Have you seen a dr?: If you have regular intercourse during the time of the month when your wife is ovulating for one year without conceiving, that is considered a fertility problem. I recommend you see a fertility specialist if possible. The problem could just be with the timing and frequency of sex, but if that is not a problem, then there could be an issue with either or both of you. Sometimes it is simple. ...Read more

Dr. Jeffrey Satinover
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