What help you?

Is there anything I can take more or less of or do to try and get pregnant? We’ve been trying I have kids from previous he was in the military years ago and a decent amount of guys he was with ended up not being able or was very difficult fir them to have kids so he’s thinking “somethings wrong with him” before we go through doctors and such wondering if there’s any vitamins we should take to boost our chances? We’ve been doing it in ovulation days and every month its Like he gets his hopes up for me to get my period. I’m starting to get crushed telling him I got my period. 😕