Metoprolol tartrate is used to treat hypertension, which will have a certain impact on the fetus. If there is a plan for pregnancy preparation, it is recommended to start after stopping the drug for at least one month, otherwise the problem of fetal malformation is likely to occur. During the preparation period, it is necessary to ensure the physical health of both men and women. During the preparation period, drugs cannot be taken. Some drugs can affect the healthy growth of the fetus, even serious side effects. To this end, try to do pregnancy preparation under the premise of health.