Menstruation occurs when estrogen causes the endometrium to undergo a proliferative phase, progesterone causes the endometrium to undergo a secretory phase, and the withdrawal of estrogen and progesterone results in the shedding of the endometrium, creating a single menstrual period. Therefore, if you want to make the menstrual period delayed, you must supplement estrogen and progesterone medication, if not supplemented, without taking medication, it is impossible to make the menstrual period delayed. For delaying menstruation commonly used methods are compounded short-acting oral contraceptives, such as Mafranil, New Mafranil, Eucerin, Eucerin, and Darin-35. In addition, you can also choose progestin-based drugs, including progesterone injection, Imaxin, Angiostatin, and dydrogesterone tablets, as well as synthetic hormones, such as Amnion Progesterone, and so on.