From: Cross sectional study in China: fetal gender has adverse perinatal outcomes in mainland China
Males (n = 60028) | Females (n = 49694) | Ratio | P | |
---|---|---|---|---|
n (%) | n (%) | |||
Spontaneous delivery | 26239 (43.7%) | 22878 (46.0%) | 1.15 | <0.001 |
Operative vaginal deliverya | 760 (1.3%) | 534 (1.1%) | 1.42 | <0.01 |
Cesarean delivery | 33029 (55.0%) | 26282 (52.9%) | 1.26 | <0.001 |
Maternal request | 10243 (17.1%) | 8263 (16.6%) | 1.24 | 0.05 |
Cephalopelvic disproportion/Failure to progress | 6032 (10.0%) | 4591 (9.2%) | 1.31 | <0.001 |
Fetal distress | 4130 (6.9%) | 3400 (6.8%) | 1.21 | 0.80 |
Previous uterine surgery | 3545 (5.9%) | 2689 (5.4%) | 1.32 | <0.001 |
Malpresentation | 1710 (2.8%) | 1742 (3.5%) | 0.98 | <0.001 |
Suspected macrosomia | 2227 (3.7%) | 1188 (2.4%) | 1.87 | <0.001 |
Oligohydrammios | 1203 (2.0%) | 981 (2.0%) | 1.23 | 0.72 |
Preeclampsia/eclampsia | 1105 (1.8%) | 1011 (2.0%) | 1.09 | <0.05 |
Later pregnancy bleeding | 823 (1.4%) | 727 (1.5%) | 1.13 | 0.20 |