TABLE 1.
Maternal characteristics
| Characteristic | 17-OHPC group (n=27) | No 17-OHPC group (n=52) | P value |
|---|---|---|---|
| Age | 32.2±4.7 | 29±5.5 | .014 |
| Race | .09 | ||
| White | 9 (33) | 22 (42) | |
| African American | 14 (52) | 29 (56) | |
| Hispanic | 3 (11) | 0 (0) | |
| Other | 1 (4) | 1 (2) | |
| Body mass index (kg/m2) | 32.5±7.4 | 33.3±7.2 | .55 |
| Tobacco use | 5 (19) | 13 (25) | .58 |
| Number of prior PTB | .09 | ||
| 1 | 17 (63) | 43 (83) | |
| >1 | 10 (37) | 9 (17) | |
| Cervical pessary | 0 (0) | 1 (2) | .99 |
| Cervical cerclage | 3 (11) | 3 (6) | .41 |
| Chorionicity | .29 | ||
| Monochorionic | 5 (19) | 5 (10) | |
| Dichorionic | 22 (81) | 47 (90) | |
| Corticosteroids for fetal maturity | 16 (59) | 23 (44) | .24 |
Data are expressed as n (%) and mean±standard deviation.
17-OHPC, 17-alpha-hydroxyprogesterone caproate; PTB, preterm birth.
Ward et al. 17-OHPC in twins and prior preterm birth. AJOG MFM 2020.