pregnancy

i am 3 days late and i have had unprotected sex with my ex boyfriend. he never cum in me he always pulled out. i am having symptoms like im on my period but nothing is coming. could it be that i am stressing or do i need to get a pregnancy test. please help me i am so scared. if i am pregnant how can i get him to see that you can ger pregnant from precum

You need to take a pregnancy test. While it is uncommon to get pregnant from precum, it is not impossible. The withdrawal method is not a reliable form of birth control