1. Menstrual cycle disorders, amenorrhea, abnormal uterine bleeding.
2. Before and after menopause (flushes, night sweats, sleep disorders, emotional abnormalities, senile vaginitis, osteoporosis, etc.
3. Assisted pregnancy-assessing ovarian reserve function.
4. Determine ovulation.
5. Suspected abnormalities of sexual development, assist in diagnosing diseases such as adrenocortical growth.
6. Gynecological-related tumors, especially tumors with suspected endocrine function.