Whether a man suffers from a cold and headache during preparation for pregnancy or uses medication after a cold, it may affect the sperm and it is recommended to prepare for pregnancy after the illness has been cured. Men who suffer from headache after getting cold are likely to be infected with some kind of bacteria or viruses that cause colds. Since bacteria or viruses can affect all systems of the human body, it is best not to prepare for pregnancy when the above symptoms occur. In addition if men use medication to control cold symptoms, the medication may also have an effect on the male organism and sperm quality. Men should try to avoid colds and flu during the preparation period, ensure a regular routine and adequate nutrition, and strengthen the body’s immunity. During the preparation for pregnancy, men should not only ensure good health, but also maintain a good state of mind. When there are symptoms of discomfort, you need to seek medical treatment in time, under the guidance of the doctor to prepare for pregnancy.