How do you keep them from not having babies?

I can't prove it now, as I didn't document it, but I am certain that in the beginning there were not that many kids. The population remains at 8, yet I swear there are 2 or 3 more tiny bodies zooming around the grounds that weren't doing so yesterday. Not older kids, the tiny sized ones. And yesterday, only one woman was carrying A baby. Unless she had twins bundled in that one blanket.

Now I write down their names (but I can't alter them for a last name to keep a genetic trail) to be sure I have a handle on it.

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