| the effect on fetal growth of protozoan and helminthic infection during pregnancy. | this is a prospective study of 14,914 pregnant women conducted in guatemala city, guatemala. stool samples were obtained from the studied patients before the first prenatal visit (mean gestational age 21.6 +/- 8.4 weeks) for the diagnosis of parasitic infections during pregnancy. forty-four percent had at least one parasite detected, and 24% were infected with helminths. ascaris lumbricoides was the most prevalent (14.5%). infected mothers were less educated, had less adequate water and sanitary ... | 1989 | 2586958 |