It is generally normal for menstruation to be delayed for no more than 7 days and no more than 2 times after taking Ginseng Antler and Deer Fetus Pill. If menstruation is delayed for more than 7 days and occurs for more than two consecutive cycles, it is recommended to stop taking the medicine and consult a doctor. Ginseng Antler Deer Fetus Pill is composed of saffron, angelica, eucommia (charcoal) and ginseng. It has the effect of regulating menstruation and activating blood circulation, warming the uterus and stopping the belt, expelling blood stasis and producing new blood. It is used for irregular menstruation, abdominal pain during menstruation, weakness of limbs, cold uterus, red and white leucorrhoea (abnormal leucorrhoea with blood or blood clots), prolonged infertility, bone vaporization and consumptive fever, postpartum abdominal pain. Pregnant women should not take Ginseng Antler and Deer Fetus Pill. If you need to use Ginseng Antler and Deer Fetus Pill, you must use it under the guidance of a professional doctor.