Women are generally not allowed to lose weight during the menstrual period, this is because during the menstrual period women’s bodies are weaker, often need the uterus to contract to return to normal. If you lose weight at this time, it may affect the recovery of the body, so usually can not lose weight during the monthly period, neither running, exercise to lose weight, nor diet to lose weight, just need to try to bed rest. For breastfeeding women also need to give their babies more nipple sucking, in order to indirectly stimulate milk secretion. Also eat a variety of high-protein foods, usually recommended to drink more soup, drink more water, and try to avoid staying up all night.