For pregnant women with normal conception, the decision to take progesterone capsules after 3 months of pregnancy should be based on the actual condition of the pregnant woman. If the progesterone is normal and the fetus is relatively stable in the middle of pregnancy, the pregnant woman does not need to continue taking it. If progesterone is relatively low, such as with luteal insufficiency, hypothyroidism, adrenal dysfunction and other diseases, as well as abnormal fetal development and other conditions causing low progesterone, miscarriage is likely to occur, at this time, it is necessary to continue taking progesterone capsules early under the instruction of the doctor. If the progesterone level is normal and there is no abnormal phenomenon such as vaginal bleeding, consult the doctor to gradually reduce or stop the dosage according to the current effect of fetus preservation. In addition, if the pregnant woman has signs of miscarriage or pre-eclampsia, vaginal bleeding, etc. after three months, she should take progesterone capsules for fetus preservation treatment and observe whether there are signs of miscarriage such as bleeding and stomach pain within one week after taking them. Pregnant women with low progesterone are prone to pre-eclampsia or miscarriage, it is recommended to be cautious, pay attention to more bed rest, prohibit sexual intercourse, go to the hospital regularly for maternity checkups, eat a light diet in daily life, drink more hot water, pay attention to keeping warm and eat the right amount of fruits and vegetables.