It is not appropriate to extract a tooth when a woman is menstruating, pregnant, or breastfeeding. After eliminating other reasons for tooth extraction, it is most appropriate to extract the tooth around the 10th day of the menstrual cycle. Women are not suitable for tooth extraction during the following time periods: Menstruation During menstruation, the hormone levels in women’s bodies change, and tooth extraction at this time is likely to cause bleeding. In addition, the body’s stress capacity decreases, the saliva of the fibrinolytic enzymogen activated substances increase, after the extraction of wounds and saliva contact, wound healing is delayed, prone to bacterial infection. Pregnancy Women should not have their teeth extracted during the first and second trimesters of pregnancy. This is due to the fact that the mother is irritated during this period and is prone to miscarriage and preterm labor. For those who have a history of miscarriage or premature labor, tooth extraction should be prevented during this period. Moreover, after the extraction of teeth, some people can need to take antibacterial drugs, and some drugs and their metabolites can pass through the placenta to reach the fetus, forming an adverse effect on it. The medical education network collects and organizes. Breastfeeding period Breastfeeding period extraction of teeth, such as the need to take antibacterial drugs, drugs and their metabolites can pass through the milk to the baby. The contraceptive pill period The contraceptive pill can make the body’s fibrin decomposition increase, so that the wound can not constitute a good blood clot, germs are easy to take advantage of the formation of infection, affecting the wound healing. In addition to the above special period, patients suffering from blood, cardiovascular system diseases or liver disease, kidney disease, hypertension, diabetes and other diseases, tooth extraction also need to be careful. So, when is the best time for women to extract teeth? Some materials show that women in the menstrual cycle of the 10th day of tooth extraction is the most suitable, this time the wound healing is relatively fast, not easy to attack bacterial infection.