[Diagnosis of toxoplasmosis in pregnancy]

Even today, toxoplasmosis infection during pregnancy is an unsolved problem. In studies of 2206 pregnant women, toxoplasmosis specific IgM-antibodies have been detected in 69 cases (3.1%). Using more sophisticated serological techniques only 12 active toxoplasmosis cases needing therapy remained. Decisive discrimination criteria of the various tests were exact time of the examination as well as the level of the antibody titer. Although only 12 toxoplasmosis infections were treated, no connatal infections have been observed. On the other hand, in some outpatients, referred to our clinic, cases of severe connatal toxoplasmosis infections were found although they had undergone therapy. To solve the problem of toxoplasmosis, we recommend a general screening before pregnancy if possible. For optimal results of this screening, serologic reference laboratories and efficient sonography units must be established to obtain, when required, umbilical venous blood.