“…The Optimum clinical results are obtained by the administration of the appropriate antibiotic, which reaches an adequate level in the amniotic fluid and cord serum. Due to the increasing use of ampicillin and gentamicin for fetomaternal infections and prophylaxis [6,10,16], we investigäted the concentration of these antibiotics in the maternal serum, amniotic fluid and cord serum. The observed levels were compared with the minimal inhibitory concentration of the offending pathogens in the amniotic fluid and cord serum in cases of fetal intrauterine infections.…”