Why can't I get pregnant.

Anitra
It been five years now and me n my husband been trying to make a little one. My mom dead when I was young. No one never teach me about this. Sooo.... These past 3-4 months my period been worried sometimes but my period is all over the place. I don't know when it going to start or anything. What are some tips to help me get pregnant n find out my period. PLEASE I NEED HELP!!!!!