Table 1

Availability of selected data items from birth registration, birth notification and maternity HES

Data items	Data sources
Data items	Birth registration	Birth notification	Maternity HES
Baby’s NHS Number	+	+	+
Mother’s NHS Number	–	+	+
Birth date of baby	+	+	+
Delivery time	–	+	–
Birth weight	+	+	+
Gestational age (stillbirth)	+	+	+
Gestational age (live birth)	–	+	+
Sex of baby	+	+	+
Number of babies born	+	+	+
Live or stillbirth	+	+	+
Parity (all births)	–	–	+
Baby/mother’s postcode of usual residence	+	+	+
Ethnic category of baby	–	+	–
Ethnic category of mother	–	–	+
Country of birth of mother	+	–	–
Country of birth of father	+	–	–
Father’s socioeconomic status	+	–	–
Type of delivery place	+	+	+
Mother’s date of birth	+	+	+
Marital status of mother	+	–	–
Method of delivery	–	–	+
Complications in pregnancy	–	–	+