Nuchal cord encirclements and risk of stillbirth.
Carey
J C
JC
Department of Obstetrics and Gynecology, University of Oklahoma College of Medicine, Oklahoma City, OK, USA.
Rayburn
W F
WF
D005313:Fetal Death / Q000209:etiology*; D006801:Humans; D007231:Infant, Newborn; D016015:Logistic Models; D012307:Risk Factors; D014470:Umbilical Cord / Q000002:abnormalities*