Very preterm birth before arrival at hospital.
Rosemarie Anne BolandPeter Graham DavisJennifer Anne DawsonMichael J StewartJacqui SmithLex William DoylePublished in: The Australian & New Zealand journal of obstetrics & gynaecology (2017)
Very preterm birth before arrival is more common in teenagers and is associated with significantly increased risks of perinatal and infant mortality compared with birth in a hospital.