Above all, it's a class issue. The idea of lounging around during your maternity leave, spending the morning in coffee shops with other mums - having enough time to quit your job and create a business plan - just screams high-income husbands, supportive and available family members, pre-school daycare and nannies.

Since the world starting talking about the rise 'power maternity' last week, instances of post-pregnancy achievement have caught the eye of HuffPost U...

Four and a half months in and I am finding having a decent telephone conversation hard enough, never mind a full night's sleep. So why would a mere mortal mother bother to compare herself with a mumpreneur?

Downtime?! Did he mean one of the few spare milliseconds when I tried to squeeze in having a wee - or, on the really good days, indulge in some glamorous pampering like actually managing to brush my teeth?