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Cyclic Progesterone Side Effects

Posted: Sat Jun 04, 2022 2:26 am
by prk00
Hi Dr. Briden!

I wanted to ask you a question regarding progesterone (100mg per day, days 14-28 of cycle) for estrogen dominance and PCOS…..

My last cycle length was 53 days, assumed anovulatory, and I started taking progesterone on the 14th day of my current cycle as instructed. I’m now on day 23 of the same cycle (so day 9 of progesterone), and I’m experiencing heavy spotting. Is that kind of irregular or breakthrough bleeding to be expected within the first few months of use with progesterone?

I’ve contacted my doctor but just wanted to hear from you if possible as I admire and respect your work greatly!

Thank you so much!!

Re: Cyclic Progesterone Side Effects

Posted: Wed Jun 22, 2022 7:30 pm
by Lara
yes, progesterone can cause spotting with initial use and that's okay.