Record details
Subjects: INFANT mortality; COMPARATIVE studies; CONFIDENCE intervalsUNITED States
Subjects: CHI-squared test; CONFERENCES & conventions; MATERNAL health servicesUNITED States; SINGAPOREFACEBOOK (Web resource)
Subjects: *CHILDBIRTH; *TWINS; *PREGNANCYUNITED States
Subjects: GOVERNMENT agencies; GESTATIONAL diabetes; EPIDEMIOLOGYUNITED States
Subjects: FETOFETAL transfusion; PERINATAL death; COMPARATIVE studiesUNITED States; UNITED Kingdom; SPAIN
Subjects: PERINATAL care; TWINS; PREGNANCYUNITED States
Subjects: INSURANCE; CHILDBIRTH; PREMATURE infantsUNITED States
Subjects: RISK factors in premature labor; BIRTH certificates; BIRTH sizeILLINOIS; UNITED States
Subjects: BIRTH certificates; BIRTH weight; LOW birth weightNEW York (State); UNITED States