Hello Good Evening, As you have issue of irregular menstruation, which is due to some common reason like: -Pregnancy -Menopause -Stress and anxiety -Excessive weight loss, or weight gain -Hormonal imbalance -Hypothyroidism -PCOS You should have mentioned about your medications, but you are looking suffered from hormonal imbalance or PCOS. PCOS (Polycystic ovary syndrome) produces symptoms in approximately 5% to 10% of women of reproductive age (12–45 years old). It is thought to be one of the leading causes of female sub-fertility and the most frequent endocrine problem in women of reproductive age. The principal features are anovulation, resulting in irregular menstruation, amenorrhoea, ovulation-related infertility, and polycystic ovaries; excessive amounts or effects of androgenic (masculinizing) hormones, resulting in acne and hirsutism; and insulin resistance, often associated with obesity, Type 2 diabetes, and high cholesterol levels. Side effects from the treatment of PCOS may include: -Irregular menstrual periods, with higher doses of the medicine. -Rash. -Scalp hair loss. -Nausea or fatigue, with higher doses of the medicine. -Cramping, diarrhea. -Drowsiness, lack of energy. -Headache, confusion. Regards, Dr. Naresh Jain.