In the latter category come such accidents as the pressure of tumours in the pelvic passages, or disease of the bones in the mother, or pressure on the cord from malposition of the child during labour, asphyxiation from the funis being twisted tightly round the neck or limbs, or from injuries due to falls on the floor in sudden labours.
"Aids to Forensic Medicine and Toxicology"
W. G. Aitchison Robertson
On the other hand, if the malposition is not recognized until months or years later, simple procedures will prove inefficient, and a surgical operation will become necessary.
"The Prospective Mother A Handbook for Women During Pregnancy"
J. Morris Slemons