Working part-time is what I prefer, always have done even before dc! (not money-obsessed, have always tried to do jobs I enjoy and do a variety of things, also very lucky with timing/economy so have income from property, lots of reasons!)
Has not necessarily been to do with my husband's work, although I have needed to work locally.
I am now a single mum and find part-time work still suits me pretty well, have to make compromises sometimes and could do with a bit more money now dh is out of work, but getting by. I would not want to be SAHM or full-time WOHM, but could envisage doing a bit of work at home in evenings now dc are a bit older.
Agree the coverage is sexist and it should be practical for parents of either gender to have more flexibility with set-ups and hours to suit them both.