Background -- Maternal use of antacids or drugs for GERD and infant congenital malformations -- Maternal use of drugs for intestinal problems, except intestinal inflammations, and infant congenital malformations -- Maternal use of drugs for inflammatory intestinal disease and infant congenital malformations -- Maternal use of anti-obesity drugs and infant congenital malformations -- Maternal use of insulin or oral hypoglycemic drugs and infant congenital malformations.-Maternal use of vitamins and infant congenital malformations.-Maternal use of anticoagulants and hemostatic drugs and infant congenital malformations.-Maternal use of drugs for cardiovascular diseases and infant congenital malformations.-Maternal use of dermatological drugs and infant congenital malformations -- Maternal use of prolactin inhibitors or sex hormones and infant congenital malformations -- Maternal use of drugs for thyroid disease and infant congenital malformations -- Maternal systemic use of corticosteroids and infant congenital malformations -- Maternal use of hypophyseal or hypothalamic hormones and infant congenital malformations -- Maternal use of antibacterial or antifungal drugs and infant congenital malformations.-Maternal use of antiviral drugs, immunoglobulins, or vaccines and infant congenital malformations.-Maternal use of cytostatic/cytotoxic drugs or endocrine drugs used for malignancy and infant congenital malformations -- Maternal use of immunostimulating or immunosuppressive drugs and infant congenital malformations -- Maternal use of NSAID drugs and infant congenital malformations.-Maternal use of drugs other than NSAIDs for musculoskeletal diseases and infant congenital malformations -- Maternal use of opiates or opioid analgesics and infant congenital malformations -- Maternal use of mild analgesics and infant congenital malformations -- Maternal use of drugs for migraine and infant congenital malformations -- Maternal use of anticonvulsants and infant congenital malformations.-. Maternal use of antipsychotics and infant congenital malformations -- Maternal use of sedatives or hypnotics and infant congenital malformations -- Maternal use of antidepressants and infant congenital malformations -- Maternal use of other psychoactive drugs and infant congenital malformations -- Maternal use of antiprotozoans, antihelminthics or insecticides and infant congenital malformations -- Maternal use of nasal decongestants, other nasal preparations, or throat preparations and infant congenital malformations -- Maternal use of anti-asthmatics and infant congenital malformations -- Maternal use of cough and common cold medicines and infant congenital malformations -- Maternal use of drugs for nausea and vomiting in pregnancy and infant congenital malformations -- Maternal use of antihistamine drugs for allergy and infant congenital malformations -- Maternal use of local eye and ear drug therapy and infant congenital malformations -- Maternal use of some groups of drugs with common side effects and infant congenital malformations -- The practical consequences of observed associations between the use of drug and infant congenital malformation.