Anyone else on progesterone to sustain pregnancy for the first trimester? I have PCOS and don't have a period or ovulate on my own so I've taken it for a while to induce a period and then used it with Femara while TTC. I had a miscarriage in June and my OB thinks low progesterone might have been a contributing issue. After that he had me continue using it to induce a period and the femara to ovulate but then also had me start Progesterone again starting Day 17 and then stop it Day 32 to induce period but to keep taking if I was pregnant. I've taken it religiously and had my progesterone checked around 4 weeks and it was 24.9. It seems like a common protocol except most women I've read are taking around 100-200mg and I'm on 400mg. I'm sure my doctor knows what he's doing and I plan to ask at my first appt, I was just curious if anyone else is on a high dose as well? ❤