In 1999, as in the past, nearly three-fourths of LSC clients were women, most of them mothers with children.
Almost 75% of LSC clients were women and a majority had children. 
mnli hypothesis: Almost 75% of LSC clients were women and a majority had children.  premise: In 1999, as in the past, nearly three-fourths of LSC clients were women, most of them mothers with children.