<li>cercariae lose their tail during skin penetration and become '''schistosomulae'''
<li>schistosomulae enter into circulation and migrate to specific organ to grow up to adults
##migrate to |organ=<ul><li>venous plexus of urinary bladder in case of ''S. haematobium''##migrate to <li>portal vein through liver in case of other spp.
|reproduction=sexual (different from other trematodes)
|course=
<li>both mate in portal vein and live veins of the organ for decades
<li>mated female produce egg inside veins
*'''eggs obstruct veins and induce inflammatory reaction and to cause disease'''
|detection=
<ul>