Induction of Labour in Late and Postterm Pregnancies and its Impact on Maternal and Neonatal Outcome

. 2016 Jul;76(7):793–798. doi: 10.1055/s-0042-107672

Table 1 Maternal demographic characteristics. In italics: primiparous.

	Induction of labour group (n = 400) (n = 251)	Expectantly managed group (n = 456) (n = 227)	p
^a Statistically significant difference (p < 0.05), Mann-Whitney U test
Age mean ± SD (years)	32.24 ± 5 32.22 ± 6	31.83 ± 5 31.33 ± 5	0.197 0.046^a
BMI before pregnancy ± SD (kg/m²)	24.12 ± 5 23.80 ± 5	24.21 ± 4 24.23 ± 4	0.405 0.142
Parity, n (%)			< 0.001^a
Primiparous	251 (62.9 %)	227 (50.4 %)
Multiparous	148 (37.1 %)	223 (49.6 %)
Gestational age at admission (weeks)	41.21 ± 0.3 41.23 ± 0.3	41.26 ± 0.3 41.26 ± 0.3	0.001^a 0.036^a
Gestational age at delivery (weeks)	41.29 ± 0.3 41.32 ± 0.3	41.26 ± 0.3 41.28 ± 0.3	0.017^a 0.011^a
Weight gain during pregnancy ± SD (kg)	15.25 ± 5 15.5 ± 5	13.96 ± 6 14.8 ± 6	0.001^a 0.180