Hello i m Samara 19 years old. i have a lot of trouble getting pregnant i have been to the doctors and they say nothing is wrong i have sex with my partner every day with out protection he has 3 kids of his own so it cant be him, his 33 years old. i took a test for PCOS my doctor said it was negative i didnt have it, but why cant i get pregnant its so confusing and i want some answers im young fresh its not like im 40 and trying, my diet is not bad at all, though my periods are very random and absent but its been like that for ever and we have sex when i think im ovulation, nothings working i dont know what to do anymore. please help doc! cheers.