Some of the common causes of menstrual problems in women are reduced weight than BMI and presence of PCOD, uterine fibroid. Endometriosis and thyroid problems can also lead to menstrual problems in women.
I also faced problems during my days of menstruation. My doctor mentioned that PCOD was the reason of irregular and painful menses in my case. I was lucky enough to get diagnosed well on time and treated for the same.