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Dewis pwnc arall neu clirio pob hidlydd.
Nid yw holl gynnwys y cyfrifia wedi'i ryddhau. Edrychwch am ddatganiadau sydd i ddod ar y calendr datganiadau. Fel arall, gallwch greu set ddata eich fun.
Rhyddhawyd ar: 15 October 2014 | Bwletin ystadegol
Death rates of pre-term, full-term and post-term babies and various factors that may influence their survival.
Rhyddhawyd ar: 10 October 2012 | Bwletin ystadegol
Rhyddhawyd ar: 10 October 2013 | Bwletin ystadegol
Rhyddhawyd ar: 15 October 2014 | Setiau data
Births and deaths by gestational age in England and Wales. Other stratification include birthweight, mothers age at birth and ethnicity.
Gestation-specific infant mortality by social and biological factors for all babies born in England and Wales. It includes gestation-specific infant mortality rates by ethnic group.
Rhyddhawyd ar: 13 July 2012 | Methodoleg
