can an ultrasound miss twins????

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Can An Ultrasound Miss Twins????

6 posts on this thread and the last post was on September 14th, 2007 7:04 PM

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christalee - March 2nd, 2006 5:55 PM

[Original Post]

Hello all you mommies!!! i am 14 weeks pregnant and i think i am carrying twins. atleast i really hope i am! i went in for a vaginal ultrasound last week. the doctor gave me one because i have gained 15 pounds already. i have been eating healthy so i dont understand all this weigh gain, but oh well, my husband LOVES it. anyways, during the ultrasound, i saw 2 babies, but the doc just said "wow the baby moved fast!". but it was like this....on the screen i saw a whole baby, head to feet. the head was on the left side of the screen. then the doc moved a tiny bit , and all of a sudden there is a whole baby with the head on the RIGHT side!!! it was like a mirror image of the first picture of the baby. i cant imagine a baby moving THAT fast. i wonder are there buttons the doctors can push to FLIP or REVERSE the picture on the screen. cause thats how fast the change was. well, any info on this would help. thanks

onetwothree - March 2nd, 2006 11:37 PM

I remember getting my u/s and the DR would just have to move the wand a little bit and the whole angle was so different, I was amazed that he knew what he was looking at because I sure was confused. At 13-14 weeks, it would be very hard to miss a twin, especially with a vaginal u/s. I'm not saying it isn't possible but not likely. As for mirror imaging, that actually can and does happen during an u/s. It all depends on the shape of the uterus, angles and stuff.

twins4us - March 3rd, 2006 2:36 PM

it is very unusual for twins to be missed at 14 weeks. The pp is correct that the angle can provide what may look like an entirely different baby. If two babies don't show up on the screen at the same time chances are good that it is just one.

Corona - March 3rd, 2006 3:25 PM

For me, it was very obvious during an u/s at 7wks, that it was twins. If it's that visible at 7wks, I'm sure that it couldn't be missed at 14. But then again, anything is possible. Keep us posted.

MelissaSLP - March 3rd, 2006 6:58 PM

It was very obvious for us at 8 weeks as well. I do know a woman that didn't find out until 30 weeks though, so I guess it is possible. You'll get another u/s around 20 weeks so you can ask then to make sure.

yetanothertripletmom - March 5th, 2006 5:05 PM

An u/s isn't just a "window in the womb." What you're seeing is a cross-section of the uterus. Changing the wand even a little will show you a drastically different picture. If the doctor (who is trained to read u/s imaging) didn't see a second fetus, then there probably isn't one.

selvira - September 14th, 2007 7:04 PM

Yes there are buttons that create a mirror image of the fetus. At that age you would see them both at the same time.

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