Crynodeb o'r cais
Fertility rates in England and Wales by mother's single year of age, 2017.
/peoplepopulationandcommunity/birthsdeathsandmarriages/livebirths/adhocs/009820agespecificfertilityratesasfrsenglandandwales2017
Fertility rates in England and Wales by mother's single year of age, 2017.