After encountering the skin, the cercariae penetrate and lose the tail transforming into schistosomulae. S.haematobium is reported from 54 countries in Africa. Adult male with female in the copulatory groove. Each female lays about 150 eggs per day. Adult male with female in the copulatory groove.
Eggs are the main agent of pathology inducing granuloma formation.
The damage of the seminal vescicles seems to correlate with the degree of the obstructive uropathy. Recently, new tests for the detection of schistosome antigens have been prepared using monoclonal antibodies. The larval stage of S.mansoni used as antigen in the indirect fluorescence test.