Generally, mothers after normal delivery will have their periods 6-8 weeks after delivery, which is the best time. Depending on the mother’s health condition, the amount of the first menstruation after delivery may also vary from person to person, with some mothers having a small amount of the first menstruation, but others having a large amount, and at the same time having irregular menstruation, with the amount of menstruation fluctuating and unstable. If a normal mother breastfeeds during breastfeeding, her menstrual cycle may be later due to the rise of lactating hormones in her body during breastfeeding, which inhibits ovulation, but normally after 2-3 months, the menstrual cycle of a normal mother will return to normal. If the normal mother is too fat, mental stress, ovarian function problems, postpartum menstrual irregularities or amenorrhea is normal, for the normal mother postpartum menstrual irregularities, irregular cycles, too much or too little menstrual volume or even not come, it is recommended that the mother postpartum timely relax themselves, adjust their mood, pay attention to more rest, do not overwork, it is best to eat more iron and nourishing food.