Emergent delivery
Physical Examination
Digital Examination of the Vagina
1) Cervical Dilatation
- 0 cm (closed/fingertip) to 10 cm (complete/fully dilated)
2) Effacement
- assessment of the cervical length
- percentage of normal 3-4 cm long cervix
- 4cm cervix = 0%; 0cm (thin) cervix = 100%
3) Station (-5 to +5)
- (distance of the presenting body relative to the maternal ischial spines)
- -3 = beginning of second stage of labor
- 0 = in line with the plane of the maternal ischial spines
- +3 = impending delivery
- +4 to +5 = crowning
