On the 75th day of pregnancy, if the pregnant woman has no signs of abdominal pain and vaginal bleeding, it usually indicates that the fetus is relatively stable, but the pregnant woman should not do strenuous activities to avoid causing miscarriage. Around 75 days of pregnancy, the early stage of embryonic development, if the pregnant woman does not have abdominal pain and vaginal bleeding and other signs of preeclampsia, usually indicates that the fetus is relatively stable in the uterus, but this stability is not absolute, if the pregnant woman to do strenuous exercise or huge fluctuations in mood, it is possible to trigger a miscarriage. Pregnant women in the early stages of pregnancy, should pay attention to rest, avoid doing strenuous exercise, in order to prevent stimulation of the fetus, causing miscarriage. At the same time, pregnant women should also ensure adequate nutrition, because the fetus in the early stage of development, the demand for nutrients is relatively large, if the pregnant woman does not timely replenish nutrients, it may cause fetal malnutrition. If a pregnant woman experiences abdominal pain or vaginal bleeding on the 75th day of pregnancy, it is recommended that she go to the hospital in time to have the cause clarified for targeted treatment and handling.