From: Relationship between amniotic fluid metabolic profile with fetal gender, maternal age, and gestational week
Subject characteristics
Female
Male
P-value
Number of samples(n)
64
50
Gestational week, median
20(17 ~ 24)
0.800
Maternal age (years),‾x ± SD,
31.92 ± 5.20
31.00 ± 5.65
0.250