With period suppression pills, does uterine lining keep thickening forever unable to shed until u stop pills?
The progesterone in oral contraceptives causes a thinning of the uterine lining, not a thickening. There is estrogen in most OCs, too, but the progesterone balances the estrogenic effects. The reason most women have reduced blood flow on OCs is that there is less build up of the endometrium. It’s not like there’s all this tissue building up that can’t come out — if there’s anything there it DOES come. Sometimes there can be breakthrough bleeding, small amounts of bleeding that is ‘not on schedule.’ This is because small amounts of endometrial tissue build up, and the hormones in the pills cause the uterus to let go of it, rather than hold on. Usually this type of bleeding goes away after a few cycles. With Seasonale and other extended-use OCs, the same is true. It is in no way dangerous. The reduced build-up of endometrium is actually very healthy and reduces the incidence of some gyn cancers. If you need to bleed, don’t worry, you will bleed. Seasonale is expensive, and some insuranc
