Umbilical cord knots and encirclements.
Vear
C S
CS
D005260:Female; D005316:Fetal Distress / Q000175:diagnosis / Q000503:physiopathology; D005311:Fetal Hypoxia / Q000175:diagnosis* / Q000503:physiopathology; D006340:Heart Rate, Fetal; D006801:Humans; D011247:Pregnancy; D014470:Umbilical Cord / Q000503:physiopathology*