A member asked:

Last week u/s showed gestational sac of 4 cms and this week 3.4 cms. i am 9 week 1 day. how can gestational sac decreased in size?

A doctor has provided 1 answer

Dr. Wayne Ingram answered

Lack of fluid/growth: Gestational sacs can decrease week to week when there is a lack of continued fetal development or amniotic fluid is being lost.

Answered 8/7/2015

2.4k views

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A member asked:

Last week u/s showed gestational sac of 4 cms and this week 3.4 cms. i am 9 week 1 day. how can gestational sac decreased in size?

A doctor has provided 1 answer

Dr. Wayne Ingram answered

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