question: Good Morning Doc  i had my mens on the 3rd of january and stopped bleeding on the 6th. then had sex on the 10th of january. my husband ejaculated outside but we didnt use condom. i am afraid he might have pre cum insideas we not planning for a child.but for sure he did urinate before making love. what is the possibility of falling pregnant. i have a regular cycle with around 25 to 28 days thanks for advising on the probability