Trying to conceive help

I have been with my boyfriend for nine months now ... I was on birth control pills the first 4 months of our relationship I know it takes a couple months to get our of your system we aren't trying but we are preventing it he is much older than I am and diabetic I know all this plays a part in his sperm count and what not but I really want a baby and every time I start my period I bawl please help