why fsh level goes up at menopause
Right before ovulation during the mid-cycle peak, FSH levels should be between 30 and 50 IU/L. If a woman is post-menopausal, her FSH levels will be naturally higher, at 60 IU/L or more. At about the age of 40, most women begin a new phase of life and hormone changes begin to take place in preparation for menopause. The ovaries begin to lose their ability to produce mature follicles, estrogen and progesterone. This may be signaled by higher levels of FSH. High levels of FSH in women is a signal of poor ovarian function, polycystic ovary syndrome or can indicate that menopause has begun or is currently taking place.