Twin Pregnancy FAQ: What is Vanishing Twin Syndrome?

Question: Twin Pregnancy FAQ: What is Vanishing Twin Syndrome?

Get the answers to frequently asked questions about pregnancy with twins and multiples. Have a question that isn't answered here? Ask me.

Answer:

I was told I was having twins, but now there is only one baby. What happened?

In recent years, enhanced use of ultrasound early in pregnancy has increased the frequency of diagnosis of twin pregnancy, and unfortunately, has produced a heightened awareness of the phenomenon of Vanishing Twin Syndrome (VTS). Please consult the Vanishing Twin Syndrome FAQ for more information.