A member asked:

After healthy heart rates are identified in identical twins, what is the probability of a vanishing twin?

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Dr. Roy Arnold answered

Specializes in Internal Medicine

Fairly common: A conservative estimate of frequency is that vanishing twin syndrome occurs in 21-30% of multifetal pregnancies. More commonly identified now that first trimester ultrasound is widely used. There are no known preventive measures since the loss usually occurs because of cord implantation abnormalities. Thanks for trusting HealthTap!

Answered 10/28/2014

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A member asked:

After healthy heart rates are identified in identical twins, what is the probability of a vanishing twin?

A doctor has provided 1 answer

Dr. Roy Arnold answered

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