A member asked:

Sometimes, women pass thick uterine lining in period. after having progestin, why did i pass one? progestin should prevent it from thickening, right?

3 doctors weighed in across 2 answers

Yes and No: Progesterone (progestins) is a hormone that will temporarily stabilize the lining in certain patients (people who do not ovulate regularly and therefore experience irregular but potentially heavy menses) to prevent or slow down uncontrolled, heavy bleeding. Progestins will allow bleeding to occur but in a controlled, less-of-a-flow fashion with shorter duration.

Answered 4/15/2016

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Withdrawal bleeding: Yes Progesterone counters Estrogens effect to grow the lining but when Progesterone is stopped you will clean the lining more completely. Be careful to take Progesterone under mds supervision. A pill will give you better cycle control and birth control.

Answered 6/30/2014

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Uterine lining thick before period?

A doctor has provided 1 answer