Need a answer

Cocoa
OK glow said I'm fertile today and that me and so should bd even tho my highest day is on the 14 today is the 12 so before I had sex I pee on my opk and it wasn't a smiley faces meaning I'm not at peak yet so if the cervix os isn't open yet can the sperm still go through or will they just stick around my cervix till the 14 cause the 14 is when I usually get a positive on my opk please can someone give me a answer I'm freaking out