Low menstrual flow in 36-year-old women is considered to be due to the imbalance of sex hormone levels in the body, and the relatively low level of estrogen leads to unfavorable endothelial growth, which can lead to low menstrual flow, prolonged menstrual cycle, amenorrhea, etc. If you experience scanty menstrual flow, you should consider having a female sex hormone test. A blood test is performed on an empty stomach on the second or third day of the menstrual period to observe the hormonal parameters. If the hormone index is relatively low or abnormal, you can consider supplementation with progesterone to regulate menstruation for 3-6 months to help improve, or you can take the combination of short-acting contraceptive pill Mafulon or Eusebio to regulate menstruation. The compounded short-acting contraceptive pill is a formula of estrogen and progestin, which also has good menstrual regulation treatment and is easier to take. It is important to eat more high quality protein and other foods, avoid partial and picky eating, ensure sleep and avoid staying up late.