I've spent the last 30 seconds trying to work this post out. I'm not there yet.
If she wants kids, her partner will not be knocking her up. The Kerr genes are phenomenal, so if we combined them with those of a player whose kids are eligible for Eagles father-son's via sperm donation (perhaps Sheppard for the Marsh-Kerr double whammy), think how athletic the resulting kid would be.