Epidemology
Up to 75% of women excreting S. haematobium ova in the urine may have schistosome ova in the uterine cervix, vagina or vulva. Furthermore, some women reportedly have genital schistosomiasis even without urinary schistosomiasis. Studies in Tanzania and Zimbabwe have shown that up to 41% of women may have involvement of the lower reproductive tract without schistosome ova in the urine. However, genital schistosomiasis as a cause of morbidity is only rarely accounted for in overview publications, although there are exceptions.
Read more about this topic: Genital Schistosomiasis