progesterone users please!

Whitney
I am 4 weeks 3 days pregnant. My hcg levels are climbing but still a little low. I have been on progesterone for 3 days and everyday when I wipe its pink with little red bits. The doctor said probly from intercourse and to not have intercourse for at least 2 weeks after seeing this. I feel like it may be from the pill I insert vaginally. Anyone else experiencing this?!? The nurse seemed like this was the first time she's hearing this. Please share your experience cuz I'm freaking out! Thank you!