Table 1 Birth and placental weights refer to measurements obtained immediately after delivery
From: Magnesium sulfate has sex-specific, dose-dependent vasodilator effects on preterm placental vessels
Characteristic | Term (39–41 weeks) | Preterm (32–<36 weeks) |
|---|---|---|
(n = 20) | (n = 14) | |
Maternal age (years) | 31.1 ± 0.9 | 29.1 ± 1.5 |
Maternal weight (kg) | 71 ± 2.5 | 67 ± 2.4 |
Maternal race or ethnic group (%) | ||
NZ European | 73 | 61 |
Chinese | 12 | 17 |
Pacific Islands | 15 | 22 |
Nulliparous (%) | 0 | 0 |
Parity | 1.7 ± 0.15 | 1.8 ± 0.1 |
Twin gestation (%) | 0 | 0 |
Smoking during pregnancy (%) | 0 | 5 (1 patient) |
Alcohol use during pregnancy (%) | 0 | 0 |
MgS04 treatment during pregnancy (%) | 0 | 0 |
In vitro fertilisation (%) | 8 | 0 |
Infant sex | ||
Male | 10 | 7 |
Female | 10 | 7 |
Gestational age (weeks) | ||
Male | 392 ± 02 | 336 ± 13 |
Female | 396 ± 02 | 335 ± 11 |
Birth weight (g) | ||
Male | 3579 ± 83* | 2299 ± 191 |
Female | 3434 ± 79* | 1969 ± 283 |
Placental weight (g) | ||
Male | 620 ± 82* | 540 ± 72 |
Female | 580 ± 79* | 517 ± 91 |