What Does Recurring Stomach Cramps Between Periods Mean?

i have been having stomach cramps for over a week now feels like period pain but im not due on 4 another 2 weeks i get it every month so i thought it was ovulation pain cos im tryin to concieve but i got pregnant in september and the pain didnt go and i misscaried by the end of september and the pain is still coming every month im just woundering if it more serious the ovulation pain as i had that miscarrige