Breast milk secretion does not decrease after a breastfeeding woman has her period, and breast milk secretion and menstruation are not too related and do not interfere with each other. Breast milk secretion is mainly produced by the increase of prolactin secretion in the body and the stimulation of sucking. After giving birth, we should insist on breastfeeding and breastfeeding on demand, and most of the women who breastfeed after giving birth can insist on breastfeeding until the baby is over one year old. Breast milk is the best food for babies, it can provide many, many nutrients in the process of growth and development, and it is most conducive to absorption and best for the baby’s physical condition, so if there are no special circumstances, it is recommended to try to breastfeed until the age of one year or more, and if conditions allow, you can also feed until the age of two. During this process, menstruation will not affect the quality of breast milk and you can breastfeed normally.