FSH (follicle-stimulating hormone) is excreted by the pituitary gland. During the follicular phase of the menstrual cycle, FSH fosters the growth and maturation of a woman’s eggs. If a woman experiences infertility or approaches menopause, it may be a sign of a low ovarian egg supply. This is indicated by a high level of FSH. With infertility issues, the FSH hormone is released in higher-than-normal amounts to stimulate the ovaries into producing a mature egg and more estrogens. The FSH urine test is a test kit for the determination of FSH concentration in urine specimens.
If a woman has infertility issues or is getting closer to menopause, then probably has low quantity of follicles and this shows by the high FSH levels.