What Does a Menstrual Cycle Shorter Than 21 Days Indicate?
A cycle shorter than 21 days is known as polymenorrhea. This condition can be caused by several factors:
Hormonal Imbalance: Imbalances in estrogen and progesterone can lead to shorter cycles. Thyroid Disorders: Both hyperthyroidism and hypothyroidism can affect menstrual regularity. Stress: High stress levels can disrupt the hormonal balance, leading to shorter cycles. Perimenopause: Women approaching menopause often experience changes in their cycle length. Polycystic Ovary Syndrome (PCOS): PCOS can cause irregular and shorter cycles.