If you take cold medicine before pregnancy, if you take the medicine during the ovulation period, if you get pregnant, it may have an effect on the fetus, but it may not have any effect, so it is recommended to keep the fetus for the time being. If the medicine has an effect on the fetus, it will usually lead to a spontaneous abortion as long as the fetus develops normally, so it is recommended that you follow the doctor’s instructions and have regular checkups, and if there is a spontaneous abortion and so on, it is necessary to go to the hospital in time. If you have a spontaneous miscarriage, you need to go to the hospital in time, and the doctor will clear the uterus after the relevant examination, and it is not recommended to keep the fetus. If there is no miscarriage, between 15 and 20 weeks of pregnancy, timely go to the hospital to do Down’s syndrome screening, between 20 and 28 weeks of pregnancy, need to do four-dimensional ultrasound examination, to diagnose whether there is developmental deformity of the fetus, as long as all the development of normal development of the fetus, there is no need to worry.