If you and your boyfriend had sex today and he nutted , if you smoke weed can it mess up your chances of getting pregnant ? my period are not regular

Weed will not: change your chances of getting pregnant; however, unprotected sexual intercourse, will eventually lead to pregnancy. You may want to consult your GYN to regulate your cycles, usually accomplish with the use of BC pills or hormonal supplementation. I also suggest a thyroid function blood test and blood pregnancy test ( HCG qualitative and quantitative.