A new column over at Tor.com:
The literature of the fantastic is a fruitful place in which to examine gendered questions of power. People have been using it to talk about women’s place in society (and the place of gender in society) pretty much for as long as science fiction has been a recognisable genre. Joanna Russ and Ursula Le Guin are only two of the most instantly recognisable names whose work directly engaged these themes. But for all that, science fiction and fantasy—especially the pulpishly fun kind—is strangely reluctant to acknowledge a challenge to participation in demanding public life (or a physically ass-kicking one) faced primarily (though not only) by women.
Pretty sure you’ve already guessed what it is. But just to be sure—
Pregnancy. And the frequent result, parenting small children.