A large trichinellosis outbreak in the Slovak Republic caused by the specie
s Trichinella britovi and affecting 336 people also affected a pregnant wom
an. The mother was infected in the 10(th) week of pregnancy and was treated
with mebendazole. On her own request abortion was performed in the 22(nd)
week of pregnancy. Medium IgM and high IgG anti-Trichinella antibody titles
were found. The placenta, body cavities liquid, tissues and organs of the
foetus contained 0.02 - 30 larvae per gram of tissue, measuring 0.68 +/- 0.
05 - 1.17 +/- 0.07 mm, with blurred inner structure. Immunocytochemical exa
mination identified Trichinella larvae that infected the foetus in the earl
y stage of development.