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A member asked:

I wasn't preg. i passed a sac attached with blood clot in my period.so, is it possible for a piece of utreus lining to look like a gestational sac?

A doctor has provided 1 answer
Dr. Seth Derman answered

Specializes in Reproductive Endocrinology and Infertility

Several things: You can pass a piece of endometrial tissue in the shape of a sac called a decidual cast but this typically occurs with an ectopic pregnancy. You could also pass an endometrial polyp which can resemble a sac.

Answered 9/12/2017

5.1k views

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