Out of whack cycle

My cycle has been very extreme recently. For example this month i was on my period for 18 days. Off a week and started back up ive been on it for 10 days now again. Is there any home remedies or natural ways to regulate myself with out having to go on birth control. My husband and i are ready to start a family and i never know when im ovulating bc my period is so messed up somebody please help any advice would be great