Assertion: cephalic presentation | /r/HasProperty | situation
Facets:
value: at childbirth
type: TEMPORAL
Source sentences:
text: A cephalic presentation or head presentation or head-first presentation is a situation at childbirth where the fetus is in a longitudinal lie and the head enters the pelvis first; the most common form of cephalic presentation is the vertex presentation where the occiput is the leading part (the part that first enters the birth canal).