Whether a woman’s cold during pregnancy affects the fetus depends on the type of cold and the severity of the cold: 1, if the common cold is caused by the cold after pregnancy, and the symptoms of the cold are not serious, the impact on the fetus is not great, by drinking more water, eating more fruits with vitamins and pay attention to warmth, more rest, usually 3-7 days the symptoms will be relieved. 2, if the woman in If a woman has a serious cold or flu caused by influenza virus after pregnancy, the fetus will be affected because the virus may pass through the placenta with the blood circulation and affect the normal development of the fetus, which may lead to developmental malformation of the fetus and may also lead to pre-eclampsia and other phenomena, so pregnant women who have a cold should be treated in time to avoid adverse effects on the fetus. You should go to the obstetrics department regularly for maternity checkups.