What are the causes of irregular periods

There are many reasons for irregular periods, such as endocrine disorders, medication factors, polycystic ovary syndrome and so on.
1. Endocrine disorders: due to prolonged late nights, environmental changes, excessive mental stress, etc., may lead to endocrine disorders and irregular periods.
2. Drug factors: some women have recently taken emergency contraceptive drugs, such as levonorgestrel, etc., which may also lead to irregular menstrual periods, manifested as early or late menstruation.
3. Polycystic Ovary Syndrome (PCOS): Due to excessive secretion of androgens in the body, it may lead to scanty ovulation, scanty menstruation or even amenorrhea, and irregular menstruation and other symptoms.
Irregular menstruation can also be seen in other reasons, it is recommended that patients seek medical attention in a timely manner, improve the relevant examination, under the guidance of the doctor to clarify the cause of the disease, targeted treatment, to avoid delay in the condition.