Effects of medication during pregnancy on the child

　　Medication during pregnancy The risk level standards for pregnancy promulgated by the U.S. Drug and Food Administration (FDA) are:

　　Category A: Controlled studies show no harm. It has been confirmed that these drugs are harmful to humans fetus It has no adverse effects and is the safest.

　　Category B: No evidence of harm to humans. Animal experiments are harmful to fetuses, but have not been proven to be harmful to fetuses in humans, or animal experiments are harmless to fetuses, but there is no sufficient research on humans.

　　Category C: Hazardous effects cannot be excluded. Animal experiments may be harmful to fetal animals or there is a lack of research on humans, but the benefits to pregnant women outweigh the harm to the fetus.

　　Category D: Harmful to the fetus. Market surveys or studies have confirmed harm to the fetus, but the benefits to pregnant women outweigh the harm to the fetus.

　　Class X: Contraindicated during pregnancy. Human or animal studies, or market surveys have shown that the harm to the fetus exceeds the benefits to pregnant women, and it is a prohibited drug during pregnancy.