Having a kid helps you at work, but only if you’re a man, reports The New York Times. It’s the Motherhood Penalty vs. The Fatherhood Bonus, and it’s the opposite of fair:

One of the worst career moves a woman can make is to have children. Mothers are less likely to be hired for jobs, to be perceived as competent at work or to be paid as much as their male colleagues with the same qualifications.

For men, meanwhile, having a child is good for their careers. They are more likely to be hired than childless men, and tend to be paid more after they have children.

What’s the culprit? It’s not because mothers actually become less productive employees after kids and fathers work harder. It’s because employers expect them to.

It’s a diaper penalty for moms, and we think it’s full of crap: