RESUMO
PIP: The relationship between the incidence of trichomonas vaginalis and the use of oral contraceptive (OC) pills was observed in 100 females from the outpatient clinic of Cairo University Hospital. 50 patients took the OC Anovlar and 50 used a size 3 Lippes Loop. 2 sample discharges were analyzed before contraceptive use, i.e. 1 wet smear on a clean slide and the other cultured on Trichosol trypticase serum medium (STS) composed of Trypticase 20 gm, cysteine Hcl 1 1/2 gm, maltose 1 gm, agar 1 gm, methylene blue .003 gm, chloamphenicol .1 gm, and distilled water 950 ml. These 2 analyses were repeated at 1, 3, and 6 months after OC use. The findings indicate the presence of trichomonas vaginalis in 36% of OC users at 3 months and 58% at 6 months, at a significant level of .05 and .01. Before use it was 2%. The Lippes Loop users has 0% before use and 6% at 3 and 6 months at .05 level of significance. The results coincide with other reported results.^ieng
