TABLE 2.
Pregnancy outcomes and neonatal characteristics
| Outcome or characteristic | Result for: |
|
|---|---|---|
| Study cohort | Comparison cohort | |
| No. of pregnancies | 949 | 3,796 |
| SABsa (no. [%]) | 87b (9.2) | 292 (7.7) |
| ETOPsc (no. [%]) | 94 (9.9) | 233 (6.1) |
| Stillbirths (no. [%]) | 1 (0.1) | 10d (0.3) |
| Live births (no. [%]) | 768b (80.9) | 3,262d (85.9) |
| No. of live-born infants | 775e | 3,318f |
| Gestational wk at birth (total no.) | 771 | 3,302 |
| Gestational wk at birth (median [interquartile range]) | 40 (38–40) | 39 (38–40) |
| Preterm (<37 wk) (no. [%]) | 69 (8.9) | 316 (9.6) |
| Term (≥37 wk) (no. [%]) | 702 (91.1) | 2,986 (90.4) |
| Sex (total no.) | 765 | 3,279 |
| Female (no. [%]) | 370 (48.4) | 1,582 (48.2) |
| Male (no. [%]) | 395 (51.6) | 1,697 (51.8) |
| Weight (total no.) | 769 | 3,277 |
| Weight (median [interquartile range]) (g) | 3,375 (3,060–3,700) | 3,340 (2,995–3,680) |
| Length (total no) | 753 | 3,230 |
| Length (median [interquartile range]) (cm) | 51 (50–53) | 51 (49–53) |
| Head circumference (total no.) | 666 | 2,889 |
| Head circumference (median [interquartile range]) (cm) | 35 (34–36) | 35 (34–36) |
a
SAB, spontaneous abortion.
b
Including a multiple pregnancy ending in an SAB and in 1 live-born child.
c
ETOP, elective termination of pregnancy.
d
Including a set of twins ending in a live-born and stillborn infant at gestational week 25.
e
Including 7 sets of twins.
f
Including 54 sets of live-born twins and 1 live-born triplet.