What is Considered an Irregular Menstrual Cycle?
A menstrual cycle is considered irregular if:
- The cycle length varies significantly from month to month (e.g., 21 days in one cycle and 35 days in the next).
- Bleeding is unusually heavy or light.
- Missed periods occur frequently without pregnancy.
Common Causes of Irregular Menstrual Cycles
Hormonal Imbalances
- Polycystic Ovary Syndrome (PCOS): A common hormonal disorder affecting reproductive-aged women.
- Thyroid Disorders: Both hyperthyroidism and hypothyroidism can affect menstrual regularity.
- Perimenopause: The transitional phase leading to menopause can cause irregular periods.
Lifestyle Factors
- Stress: Physical or emotional stress can disrupt the menstrual cycle.
- Weight Changes: Significant weight loss or gain can impact hormonal balance.
- Excessive Exercise: Intense physical activity without adequate rest can affect menstrual regularity.
Medical Conditions
- Uterine Fibroids: Non-cancerous growths in the uterus.
- Endometriosis: The growth of endometrial tissue outside the uterus.
- Pelvic Inflammatory Disease (PID): Infection of the female reproductive organs.
Medications and Contraceptives
- Hormonal Birth Control: Some types of contraceptives can cause irregular bleeding.
- Medications: Certain medications can affect menstrual cycles.
