Tiny white bits on my man during intercourse

So, while me and my s/o have sex there’s these tiny white bits on him and if i didn’t know better i would think it was a yeast infection but i have NO other symptoms of a yeast infection, i’ve noticed it’s around ovulation too, i know i get cysts ever since getting off bc and overdoing plan b before knowing all the issues it caused, i don’t know if i have pcos or fibrosis or anything i haven’t looked further into it and don’t know if that could have anything to do with it but i’m just curious if anyone else deals with this