During pregnancy, women can exercise moderately, such as walking, climbing stairs, yoga, etc., but not strenuous exercise, such as fast running, playing ball, etc., so as to avoid adverse effects on the fetus. When women are pregnant, moderate exercise is recommended to promote the body’s blood circulation, and at the same time to avoid excessive weight gain, to prevent the emergence of gestational diabetes, gestational hypertension and other diseases. But exercise should master a certain amount, not strenuous exercise, such as playing ball, fast running, etc., otherwise it is easy to cause fetal growth and development is affected, or even miscarriage, premature birth and other phenomena. It is recommended that pregnant women should combine work and rest to promote the healthy development of the fetus. During pregnancy, they should also undergo active checkups, such as four-dimensional ultrasound, fetal heart monitoring, etc., to promote the health of the fetus, and if there is any discomfort, go to the hospital in time to seek medical treatment.