Low menstrual flow during breastfeeding, you need to actively look for the cause, you need to compare with the previous period of non-breastfeeding menstrual flow, the cause of low menstrual flow of breastfeeding non-disease factors, may also be caused by disease factors, need to clarify the cause of symptomatic treatment, common causes and treatment: 1, non-disease factors 1, the normal situation: lactation pituitary lactogen secretion increased, inhibit ovarian function, inhibit estrogen secretion This situation does not require special treatment, after breastfeeding, menstruation will return to normal; 2, physical factors: such as postpartum body has not fully recovered, breastfeeding plus taking care of the baby, more likely to cause fatigue, lack of blood, etc., in addition to low menstrual flow, often accompanied by dizziness, fatigue, poor sleep, poor appetite, etc., at this time need to pay attention to rest, reasonable diet, meals with; 3 If a woman is stimulated, she may experience reduced menstrual flow or even amenorrhea. At this time, she needs to keep her mood happy and avoid anger and rage; 4. Pregnancy-related: irregular ovulation during lactation, if she is not contraceptive, she needs to pay attention to exclude pregnancy-related bleeding, and no special treatment with drugs is needed for treatment. 2, disease factors 1, endometritis: endometritis is prone to endometrial adhesions, and also low menstrual flow, which can be treated with oral antibacterial drugs, such as penicillin, quinolones, etc.; 2, endocrine diseases: combined with other endocrine diseases, such as hypothyroidism, polycystic ovary syndrome, etc., hypothyroidism requires oral medication, such as levothyroxine sodium tablets, which can provide the body with replenish thyroxine. For polycystic ovary syndrome, lifestyle adjustment is needed. For obese people, diet should be controlled and exercise should be increased to reduce weight and waist circumference, increase insulin sensitivity and lower insulin and testosterone levels, so as to restore ovulation and fertility function. However, hormone related drugs should not be used during breastfeeding. Note: During breastfeeding, women should keep a happy mood, maintain emotional stability, avoid temper tantrums, pay attention to rest, carry out appropriate exercise, and combine work and rest, and eat a healthy diet.