Cold and flu in the 6th month of pregnancy with mild symptoms usually have an effect on the fetus, but not much, if the symptoms are serious, fever, cough serious, may have an effect on the fetus. At 6 months of pregnancy, the development of important organs of the fetus has been basically complete, a mild cold in pregnant women will not have any effect on the fetus, you can drink more water and pay attention to rest to help recovery, if the symptoms of a cold are severe, accompanied by high fever, cough and abnormal blood counts, it may induce contractions on the fetus, resulting in preterm miscarriage. If you have a cold during pregnancy, don’t abuse the medication or refuse to take it, but use medication that has less effect on the fetus under the guidance of your doctor.