A member asked:

I'm 11 weeks gestation midwife finds one baby two sacs i didn't have a full bladder. return in 2 weeks for repeat i dr can twin still appear, concerned.?

3 doctors weighed in across 2 answers

Not likely: Unfortunately not likely given the gestational age. The only possibility would be if the baby she saw was much earlier in gestation (for example if your cycles are irregular and you are only 6 weeks gestation versus 11 weeks by your period), then perhaps something would be seen on followup. But if you are truly 11 weeks, then she should be able to see 2 babies at that point.

Answered 1/28/2014

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Dr. Seth Derman answered

Specializes in Reproductive Endocrinology and Infertility

Doubtful : It would be unusual to find another fetus beyond 7-8 weeks.

Answered 8/14/2013

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