Pregnancy Precautions Four months into pregnancy is a critical period for fetal development. Pregnant women need to pay special attention to the following aspects. First of all, we must strengthen nutrition, maintain a balanced diet, and absorb sufficient nutrients such as protein, vitamins, and minerals. Secondly, exercise properly to promote blood circulation and metabolism of the body and avoid sitting or standing for long periods of time. In addition, pregnant women should have regular prenatal check-ups to prevent the risks of premature birth and miscarriage. Finally, pregnant women should actively adjust their mentality, maintain a happy mood, and avoid the impact of anxiety, depression and other negative emotions on themselves and their fetuses. Fetal development: Four months pregnant, the fetus is already relatively complete