Generally speaking, it is normal to advance or postpone menstruation for one week. Fat is an important condition for women to mature, and it is also an energy source for women's menstruation and childbirth. If the total body fat is less than 17% of body weight, it will affect the development of sexual organs and the coming of menstruation. Studies have shown that if women consume too little fat, the secretion of estrogen in the body will decrease over time, which may lead to delayed menstruation or even amenorrhea. It is recommended to resume a normal diet, which will generally resume after a while.

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