Well, for one, it can build and result in what I have known docs to call a cyst. This (build-up) sometimes happens when you have endometriosis and the lining grows in other places but does not shed out with the rest.
ETA: I was referring to the case when you are not on BCs and some of the lining does not shed normally.
SC
Quote:
Originally posted by PerfectVerse06
I always thought of my period as a way to 'cleanse' my body of the lining of the uterus. What happens with the lining if it is not shed?
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