RedactedNarrative: Vessel 1 is a tandem kayak and was underway near the Menasha dam.  Vessel 1 capsized in strong current operator (rear seat) came to shore on upstream side of dam.  Occupant went over (through) dam and came to shore on downstream side.  Vessel recovered downstream from occupant.  No injury to operator. Occupant transported by ambulance to hospital due to being pregnant.