The belly button does not protrude until 7-8 months of pregnancy, but there is some variation. Because some women due to the larger fetus, and the position of the higher, the belly button will be relatively early out. If the fetus is relatively small, the pregnancy position is relatively low, the belly button protrudes relatively late. The thickness of subcutaneous fat with pregnant women is also very related, and some women’s belly button may not protrude. After pregnancy, you need to pay attention to avoid strenuous exercise to avoid miscarriage and other accidents. It is necessary to strengthen the intake of nutrition, the diet should be mainly high protein and high calorie, mainly for the fetus to take in enough nutrients for normal growth and development, it is necessary to carry out prenatal checkups on time. Pay attention to avoid trauma to the abdomen, rest more and pay attention to counting fetal movements.