Hi there..just want to ask you guys can you get period while on progesterone? On the ultrasound result i hve Polycystic ovary right my OB gave me progesterone 200mg cap taken orally once a day for 10days. On 5day i got my period..i was confused because i was expecting to get my period after 10days of progesterone. I dont know what todo.Do i neet to stop or continue the progesterone until 10days? Pls help.thank you..