TTC question (featuring TMI)

KM • ....
So yesterday I woke up and it seemed like I was getting a yeast infection. We have been TTC so a lot of action has been going on, plus we are using Preseed so I figured things had gotten a little of balance. Well I inserted a vitamin c pill because it always helps me balance out again. So in the afternoon I did a CM check and I had ALOT of EWCM mixed in with some brownish blood. This is the first time I've ever bled with ovulation. Anyway, we had sex again after that. Today I read that vitamin C kills sperm. Do you think I ruined my chances since I had used the vitamin c insert a few hours before? I didn't know it was a sperm killer and now I'm pretty bummed out.