Scarcely a century ago, many women were essentially permanently pregnant. Infant mortality pre- vaccinations and pre-antibiotics, was so high that 6 or more childbirths were necessary, to give offspring that could survive long enough to offer support to prematurely aged parents.
Scarcely a century ago, many women were essentially permanently pregnant. Infant mortality pre- vaccinations and pre-antibiotics, was so high that 6 or more childbirths were necessary, to give offspring that could survive long enough to offer support to prematurely aged parents.