[Preconceptuel evaluation and treatement of intercurrent diseases-follow up of pregnancies in the doctor's office].

Preconceptional evaluation should be extended to all women in reproductive age. It includes, among others, screening for infections, evaluation of immunity against infectious agents detrimental to the fetus and, in high risk cases, detection of genetically transmitted diseases. Furthermore, any medication needs to be evaluated for potential embryotoxicity and teratogenicity.