Vasectomy

Rubi

Hey Girls! Advice, thoughts, etc needed.

My boyfriend had a vasectomy about 9years ago. He has 2 girls, he is 32. (Got it done when he was married thinking he was set with family, went over seas to serve & his ex cheated on him & got pregnant by other guy). Ever sense him and i have had sex 2months my period has been wacked. My period is 4 days late. Crazy? Ya.

Thoughts? Experiences?