I'm 21 weeks pregnant and was prescribed progesterone pills to "prevent early labor" since my first child was preterm. I have to insert them vaginally before bed for 30 days. They're red tiny pills. I used my first one tonight and I have very sticky discharge and went pee and wiped red. It's only been in for about an hour or two. I'm hoping it's just the pill dissolving and not blood? Does anyone have experience with it? Google doesn't help at all, only says used to prevent miscarriages and spotting. And that it's also in birth control? I'm really worried.