Does cold and flu medicine during pregnancy preparation have an effect on pregnancy?

Whether taking cold medicine during preparation for pregnancy has an effect on pregnancy depends on whether the drug is metabolized from the body after taking it and whether the drug is prohibited during pregnancy, and cannot be generalized.
Eating cold medicine during preparation for pregnancy, after eating cold medicine women did not immediately pregnant, the drug has been metabolized from the body clean, on the future pregnancy will not cause significant impact.
Eating cold medicine during preparation for pregnancy, eating cold medicine is applicable during pregnancy, such as Shuanghuanglian oral liquid, amoxicillin, this kind of drugs on the woman is relatively small, and will not have an impact on the future pregnancy.
Eating cold and flu medicine during preparation for pregnancy, after eating cold and flu medicine, women get pregnant to eat the drugs are prohibited during pregnancy, such as ribavirin, levofloxacin, etc. Women have been successfully pregnant during the preparation for pregnancy, the early stage of pregnancy is an important period of the formation of the embryo differentiation, and the pregnancy may increase the chances of miscarriage and malformation of the fetus.
You need to be careful when taking medications during preparation for pregnancy.