Article
A life‐table analysis of the intrauterine fate of malformed human embryos and fetuses
4 Mar 2021
Abstract excerpt
BACKGROUND: Various malformations are frequently encountered in spontaneously aborted embryos and fetuses. Thus, spontaneous abortion appears to be a screening device for abnormal conceptuses ("teratothanasia"). However, the prevalence rate of abnormal conceptuses at each gestational stage is unknown and the true picture of prenatal natural selection remains to be elucidated. METHODS: An in utero life-table of...
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