The percentage of mothers with a BMI of 30 or more did not vary widely between most age groups; all age groups between 20 and 44 had rates between 28% and 31%.
Yn achos canran y mamau a chanddynt BMI o 30 neu fwy, ni welir rhyw lawer o amrywio rhwng y rhan fwyaf o’r grwpiau oedran; roedd gan bob grŵp oedran rhwng 20 i 44 oed gyfraddau rhwng 28% a 31%.