Breastfeeding women’s menstruation can affect milk production. The fact that women menstruate during breastfeeding indicates that the function of the ovarian endocrine secretion is restored, and the secretion of milk is mainly due to the secretion of prolactin. After the onset of menstruation, the body’s prolactin level decreases, which will reduce the amount of milk, but generally will not be reduced a lot, generally can meet the needs of fetal growth and development. Pregnant mothers in the breastfeeding period to menstruation, to maintain emotional comfort, appropriate drink ribs soup, carp soup on the milk amount of secretion will also have some help. If the decrease in milk production during menstruation is more obvious, you can add supplements or milk substitutes according to the baby’s monthly age or age.