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profile picture of Excerpted from The Baby Bump, Twins and Triplets Edition
Excerpted from The Baby Bump, Twins and Triplets Edition

Chances My Twins Are Really Triplets?

The doctor told me I'm having twins, but could there be even more in there?

No medical device is 100 percent accurate all the time, so there’s a chance that an ultrasound missed an extra sac and baby number 3 is playing hide-and-seek. But it’s not very likely. Unfortunately, there is a possibility of something called vanishing twin syndrome, where one of the fetuses is miscarried and reabsorbed into the uterus. No one really knows what causes this and what, if anything, you can do to prevent it. The danger is usually over by around week 12, so by then you can breathe a little easier.

Plus, more from The Bump:

Pregnancy Checkups With Multiples?

How Do Twins Develop?

Important Questions to Ask My Doctor?