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. Author manuscript; available in PMC: 2021 Sep 23.
Published in final edited form as: Am J Obstet Gynecol MFM. 2020 Apr 28;2(3):100124. doi: 10.1016/j.ajogmf.2020.100124

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.