You don't say what your population is, or how many huts you have, but lack of housing will prevent babies. Also, villagers don't always produce children in one or two, or even twenty tries. You have to be patient sometimes.
In VV1 the villagers don't inherit their parents appearance (that's only in VV2), so don't be disappointed if she doesn't produce a redhead.
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Barbara
Unicorn
Last Day of Work