How Does Hyperthyroidism Affect Menstrual Cycle?

How Does Hyperthyroidism Affect Menstrual Cycle? Menstrual abnormalities seen with hyperthyroidism include: Absent or infrequent periods: This is the most common symptom seen with severe hyperthyroidism. Too much thyroid hormone leads to increased SHBG, which can prevent ovulation. Light and short periods: Bleeding may be less than typical—and brief. Can hyperthyroidism delay menstruation? Both hyper-