I don't think looking after baby is just --- work woman woma

选women's .
少数名词作定语,必须用其复数的所有格形式,表示对象.e.g.
men’s/ women’s rest rooms = the rest rooms for men/ women （男/ 女侧所）
a girls’ shop = a shop for girls （女装店）
the teachers’ college = the college for teachers （师范院校）