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Article

Cliff-edge model of obstetric selection in humans.

Proceedings of the National Academy of Sciences of the United States of America - 20 Dec 2016

Mitteroecker Philipp, Huttegger Simon M, Fischer Barbara, Pavlicev Mihaela

Abstract excerpt

The strikingly high incidence of obstructed labor due to the disproportion of fetal size and the mother's pelvic dimensions has puzzled evolutionary scientists for decades. Here we propose that these high rates are a direct consequence of the distinct characteristics of human obstetric selection. Neonatal size relative to the birth-relevant maternal dimensions is highly variable and positively associated with...

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Identifiers

PMID: 27930310
DOI: 10.1073/pnas.1612410113
PMCID: PMC5187675

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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