Hello,
Depoprovera shots can cause irregularity in the
menstrual cycle as longer or shorter
menstrual periods, heavier or lighter periods.Other causes of irregular menstrual periods are high level of stress and anxiety, cholesterol, hormonal imbalance, chain smoking, dramatic changes in your life style,PCOS(polycystic ovarian disease) and fibroid uterus.
Can you identify any of these factors?