Effects of prenatal exercise on gestational weight gain, obstetric and neonatal outcomes: FitMum randomized controlled trial

Table 3 Neonatal outcomes

Outcome	ALL	CON	EXE	MOT	P-value
*Number of participants*	n = *178*	n = 34	n = 74	n = 70
Gestational age delivery, weeks (median)	40.4 (39.4–41.1)	40.2 (38.8–41.3)	40.6 (39.9–41.3)	40.0 (39.3–40.9)	0.048^b#
Gestational age delivery, weeks (mean)	40.1 ± 1.6	39.8 ± 1.9	40.4 ± 1.2	39.8 ± 1.7
Premature delivery (GA < 34), n (%)	3 (2%)	1 (3%)	0 (0%)	2 (3%)	0.309^a
Premature delivery (GA 34 + 0–36 + 6), n (%)	3 (2%)	2 (6%)	1 (1%)	0 (0%)	0.093^a
Birth weight, g	3715 (3289–3979)	3630 (3024–3899)	3768 (3410–4069)	3665 (3266–3880)	0.083^b
Birth length, cm*	52 (51–53)	52 (51–54)	53 (51–54)	52 (51–53)	0.354^b
Birth weight adjusted for GA at delivery and sex, z-score	0.10 ± 1.0	-0.02 ± 1.0	0.17 ± 1.0	0.09 ± 1.0	0.648^c
SGA (< 10th percentile), n (%)	15 (8%)	4 (12%)	3 (4%)	8 (11%)	0.208^a
LGA (> 90th percentile), n (%)	18 (10%)	2 (6%)	7 (10%)	9 (13%)	0.526^a
5-min apgar score < 7, n (%)	1 (1%)	0 (0%)	0 (0%)	1 (1%)	0.580^a

Neonatal outcomes in the randomization groups reported for participants still enrolled in the study at delivery (n = 178)
Data are mean ± SD, median (IQR) and n (%)
CON Control, EXE Structured supervised exercise training, MOT Motivational counselling on physical activity, GA Gestational age, SGA Small for gestational age infants, LGA Large for gestational age infants, SD Standard deviation, IQR Interquartile range
^* Birth length; n = 177 (CON; n = 34, EXE; n = 74, MOT; n = 69)
^aPearson’s χ² test, ^bKruskal-Wallis test, ^cAnalysis of variance (ANOVA). ^#EXE vs. MOT (p = 0.038) (pairwise Wilcoxon rank sum test with Holm-corrected p-value)

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