It is possible for a woman to use medication if she develops a cold after having intercourse during ovulation. It is safe in most cases for a woman to use medication within the first 28 days of pregnancy. At this stage, the fertilized egg has not yet attached and has not yet entered the uterine cavity, and the effect of the medication is very small. In the vast majority of cases, the use of drugs at this stage will not affect the development of the child. Because of the preparation for pregnancy, the use of drugs should be careful, if it is clearly stipulated that the drugs prohibited during pregnancy or not recommended to eat. When there is a cold, we should go to the hospital in a timely manner, to inform the doctor is currently preparing for the state of pregnancy, you can be under the guidance of the doctor, the use of drugs that have a relatively small impact on the pregnancy. At the same time, you should pay attention to strengthen the body, as far as possible to avoid unnecessary use of drugs.