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At what point during pregnancy are twins discovered?

By February 20, 2009 - 9:05am
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My husband and I are going to the doctor on Monday to hear our baby's heartbeat for the first time. As twins run in my family, we've discussed the possibility of there being twins. At what point during a pregnancy is this determined?

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When I was pregnant with my twin boys, I found out about them at 5 1/2 weeks when we did our first sonogram and saw the heartbeats.

February 20, 2009 - 12:23pm

Hi, Miss Management! And congratulations!!!

Typically a woman finds out that she's carrying twins when a doctor does an ultrasound, normally in the first trimester. I found incidences of people finding out as early as 6 or 7 weeks, when their doctor had ordered an ultrasound earlier than normal, perhaps checking gestation date because a woman seems to be growing larger more quickly than expected. In fertility treatments it's common to do an ultrasound early in the trimester to see how many embryos have implanted.

Doctors can hear multiple heartbeats on a Doppler soundwave machine, but it's difficult because there are other sounds that can mask or mimic that second heartbeat.

How far along are you?

Here's a fun quiz that can help you assess your chances of having twins:


And here's the top ten signs of a twin pregnancy:


What runs in your family? Fraternal or identical twins?

February 20, 2009 - 10:37am
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