TABLE 2.

Delivery outcomes

Characteristic	17-OHPC group (n=27)	No 17-OHPC group (n=52)	P value
Gestational age at delivery	32.1±5.1	31.9±5.4	.9
Spontaneous	22	38
Indicated	5	14
Delivery <34 wk	17	27	.47
Spontaneous	16(59)	24 (46)
Indicated	1 (6)	3(11)
Delivery <32 wk	9	18	.99
Spontaneous	9(33)	16(31)	.8
Indicated	0(0)	2(11)
Delivery <28 wk	5	11	.99
Spontaneous	5(18)	10(19)	.99
Indicated	0(0)	1 (9)
Delivery <24 wk	3	7	.99
Spontaneous	3(11)	7(13)	.99
Indicated	0(0)	0(0)
Mode of delivery			.99
Vaginal	15 (56)	29 (56)
Cesarean	12 (44)	23 (44)

Data are expressed as n (%) and mean±standard deviation.

17-OHPC, 17-alpha-hydroxyprogesterone caproate.

Ward et al. 17-OHPC in twins and prior preterm birth. AJOG MFM 2020.