Table 1

Basic information and responsibilities for the five participating hospitals

Hospital nameResponsibilityNumber of infants delivered in 2022
Shenzhen Luohu People’s HospitalInitiating hospital2079
Shenzhen People’s HospitalCoordinating hospital5400
Shenzhen Yantian District People’s Hospital (Group)Participating hospital1363
Shenzhen Baoan Women’s and Children’s HospitalParticipating hospital18 107
Longgang District Maternity & Child Healthcare Hospital of Shenzhen CityParticipating hospital12 424