Pregnancy & pre cum

So me and my husband haven't been able to have sex throughout my ovulation except today !  And 2 days before the big o But problem is  right when he was about to  I lost my blance needless to say missed lol but I'm curious ,  can you become pregnant with pre ejactulation and success stories I know it's possible but love to shed some light on my situation bd 🌟🌟🌟