Human variation in the shape of the birth canal is significant and geographically structured

Proceedings of the Royal Society B Vol/Iss. 285(1889) The Royal Society Publishing Published In Pages: 1-9
By Betti, Lia, Manica, Andrea

Hypothesis

Contrary to the 'obstetrical dilemma,' there will be geographical variation in the shape of the female birth canal.

Note

Females in sub-Saharan African populations typically have deeper birth canals whereas the birth canals of Native Americans are wider. Asians, Europeans, and North African females typically have an intermediate birth canal morphology.

Test

Test NameSupportSignificanceCoefficientTail
Analysis of Variance (ANOVA); post hoc Tukey testSupportedUNKNOWNUNKNOWNUNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Geographical LocationIndependentLocation
Female Birth Canal DependentAnthropometry