It is generally believed that it is better not to use medication if you can do so when you are ill during pregnancy preparation. It is better for women preparing for pregnancy not to take medication or drink or smoke about 3 months before pregnancy, especially such medications with high toxic side effects, because some of them stay and take effect in the body for a very long time. If you do not know that you are pregnant and at the same time there is no pregnancy reaction, you will think that you are not pregnant and take drugs that have an effect on the fetus when you think you are not pregnant. For the sake of the child’s health, experts recommend that mothers-to-be should not use drugs casually during the preparation period, and if they fall ill during this period, it is best to go to the hospital and follow the doctor’s instructions. Of course, if the condition requires medication, it is not too late to postpone the intended pregnancy after taking the medication and let the effects of the medication wear off in the body, and then get pregnant after the condition is cured. The scientific principle of medication for pregnancy preparation is that if medication must be used during pregnancy preparation, please use it scientifically according to the doctor’s advice. If you have been taking a teratogenic drug for your own reasons, you should consult your doctor to see if you can consider pregnancy after you stop taking the drug. When taking drugs, make sure to read the instructions carefully to see if they are forbidden or contraindicated for pregnant women. It is inevitable that doctors may be negligent in the use of medications, so you should always remember to actively communicate with your doctor about the medications used during pregnancy preparation.