Does maternity leave give women a taster for becoming stay-at-home mothers?

Office Mum photo: white wine

Why is it that more women than men stay at home with children? In 98% of families with one parent at home, it's a woman who takes that role. Assuming there isn't a secret world where stay-at-home mothers get to loll about all day in spas sipping Pinot Grigio, there must be something behind it. Here are some theories (discussed here many times ...