Abstract
Summary
1. Lack of vitamin A failed to induce congenital anomalies in the young of rats. 2. Very severely depleted female rats refuse to mate. In order of decreasing severity of depletion, they will: mate but fail to conceive; conceive but resorb their fetuses; give birth to dead fetuses with difficult and protracted labor after a prolonged gestation; show only prolonged gestation.
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