SUMMARY A total of 494 patients (90 men and 404 women) attending a sexually transmitted diseases (STDs) clinic in Khartoum, Sudan, were-studied to assess the prevalence of chlamydial genital infections. Antibodies to Chiamydia trachomatis serotypes D to K were found in four (4' 4%) men and 42 (10-4%) women, and 10 (2 5%) women had antibodies to serotypes A to C.
Fifty-nine subfertile males were investigated to assess seminal quality, inflammatory conditions and spermatogenic picture in relation to their subfertility. Defects in semen analysis were found associated with an old gonococcal infection (42.4%), schistosomiasis (13.6%) and chronic prostatitis (5.1%). Varicocele was observed in a few patients (3.4%). Azoospermia was found in 40.7%, of whom 33.3% were found to suffer from spermatogenic arrest.
, 290 patients were examined for sexually transmitted diseases in three venereal disease clinics in Khartoum Province. Clinical and laboratory findings showed that nongonococcal urethritis was the commonest STD in men (35.1 lo), with gonorrhoea the second commonest (25.9%). Most of the patients with STDs were aged between 20 and 39 years. Of the infected men, 49.3070 had acquired their infections from prostitutes.
At a sexually transmitted disease clinic at Khartoum 613 Sudanese women presenting with vaginal discharge were investigated. Specimens were examined by microscopy and culture. Trichomonas vaginalis infestation was found in 123 patients (20.1%), predominantly in the age groups 16-19 years (27.1%) and 46-65 years (27%). Frequency of trichomonal vaginitis was highest (35.9%) among divorced women. Of the pregnant women investigated, 16.3% were found to harbour the parasite. There was no significant difference in the parity of parasitized and non-parasitized patients.
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