It takes 3 months to get pregnant after taking tetracycline and 3 months to prepare for pregnancy for eugenic reasons. After taking tetracycline, it is recommended to take 3 months before you can get pregnant. It is important for women to adjust their body to the best condition during the preparation period, so that not only the pregnancy will be beneficial, but also the child will be born with better quality in all aspects. Therefore, it is important for women to prepare for pregnancy during the preparation period, to avoid diseases and drugs, and to improve the immunity of the body with proper exercise in general. Tetracycline is a commonly used antibiotic, mainly for the treatment of rickettsial disease, mycoplasma infection, cholera, regression fever and other conditions.