Occiput posterior position should be exceptionally rare at birth.
Odent
Michel
M
D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D008429:Maternal Welfare; D008880:Midwifery / Q000379:methods*; D007744:Obstetric Labor Complications / Q000451:nursing* / Q000517:prevention & control; D011187:Posture; D011247:Pregnancy; D011256:Pregnancy Outcome