User blog comment:PixieXW/How Human Is Renesmee/@comment-2020973-20120501001649/@comment-4054533-20120501010214

^ This. I figure once she finishes maturing she'll "freeze" just like full female vampires, so there will only be a short window of time where she can have kids.

I love how I discuss this like it's actually a legit problem. Smh @ me.