Table 3 Information on fetal gender and gestational week in different maternal age groups
Maternal age(years) | n | Gender (female/male) | P-value | Gestational week (week), median | P-value |
|---|---|---|---|---|---|
21 ~ 25 | 16 | 8/8 | 0.839 | 19.5(17 ~ 24) | 0.374 |
26 ~ 30 | 37 | 19/18 | 20(18 ~ 24) | ||
31 ~ 35 | 33 | 20/13 | 20(17 ~ 23) | ||
35 ~ 40 | 19 | 11/8 | 20(18 ~ 23) |