So I live with my ex boyfriend and we were recently trying to conceive after two misscariges but now we’ve split up kinda he lives with me in my apartment bc he has no where else to go and 4 years together I rather have him here in the couch than the streets ok anyways , ok so we had sex the day before my fertile window started with was the 9 or 10th he finished and came inside me and then just last night the 15th i had sex with someone else but he did not cum inside me judge me whatever idc I know I fucked up for getting with another guy but how ever it’s the day after my “supposed to be” main ovulation day, if I do end up pregnant is it a bigger chance it’s actually my ex boyfriend rather than this person who is actually a co worker ? I need just some help or thoughts on this