SAFE USE OF MEDICINES IN PREGNANCY

Pregnancy is a special physiological condition which affects the pharmacokinetics of medicines used and certain medications reach to fetal circulation which may cause adverse effects and also teratogenic effects. But complete avoidance of medical treatment during pregnancy is not possible because some women enter pregnancy with some medical problem or some are arises during gestation period. In this review we summarize basic principles of teratology, classification of drugs according to FDA and provide information regarding safe and effective use of medication during pregnancy. Keywords: Teratogens, Teratogenic effects, FDA categories of drugs, fetal circulations, Placental barrier, adverse effects, safe use of medication