Pregnancy is the most common cause of a missed or delayed period but, there are other factors also that can impact your menstrual cycle. Most women usually have their period every 28 days but a healthy menstrual cycle ranges from 21 to 35 days. So, if you know for sure, that you aren’t pregnant, then these reasons listed below could be the cause of a missed or delayed period. 

If the problem still persists, consult your gynecologist.