Table 3.

Observed hospital frequencies of types of obstetric care

	Lowest Percent	Median Percent	Highest Percent
Labor inductiona	20.8	28.2	37.1
Dilation ≤ 2 cm at admissionb	6.6	13.6	25.9
Maximum oxytocin ≥ 20 mU/minutec	8.7	17.6	46.3
≥ 80% of labor augmented with oxytocind	1.0	10.1	22.6
≥ 1 hour between complete dilation and initiation of pushinge	0.8	10.9	21.2
≥ 2 hours between initiation of pushing to deliverye	4.4	9.1	19.2
≥ 8 hours active phasef	2.9	8.3	19.2
< 1 vaginal exam per every 3 hours in first stageg	2.9	21.0	43.7
Vaginal deliveryh	60.6	70.1	79.5
Episiotomyi	0.7	7.0	35.4
Epidural/regional anesthesiaj	45.3	77.7	89.7
General anesthesiak	1.1	6.5	14.8
Elective delivery < 39 weeks without documented fetal lung maturityl	0.2	0.5	12.2

^aIn patients with no previa and no history of classical, T, or J cesarean (N = 113,049);

^bIn patients at term with intact membranes and spontaneous intended labor with no previa and cervical dilation measured within one hour before or after L&D admission (N = 46,068);

^cIn patients who received oxytocin in labor (N = 58,228);

^dIn patients with spontaneous intended labor admitted to L&D before delivery (N = 61,157);

^eIn patients who reached complete after intended labor (N = 60,290);

^fIn patients with intended labor who reached active stage (5 cm) with a term non-anomalous singleton pregnancy (N = 71,571);

^gIn patients with intended labor managed in hospital for greater than 1 hour during first stage (N = 81,826);

^hIn all patients (N = 115,502);

ⁱIn patients with a vaginal delivery and no shoulder dystocia (N = 77,071);

^jIn patients with non-operative vaginal delivery of a singleton, no shoulder dystocia and reached complete after intended labor (N = 70,362);

^kIn patients with a cesarean delivery (N = 36,201);

^lIn patients with a term non-anomalous singleton pregnancy (N = 98,509).