One in five (20%) pregnant women from Other ethnic groups and just fewer than one in five (18%) pregnant women from Asian ethnic groups had a BMI of 30 or more.
Roedd gan un o bob pump (20%) o fenywod beichiog o grwpiau ethnig Eraill ac ychydig yn llai nag un o bob pump (18%) o fenywod beichiog o grwpiau ethnig Asiaidd BMI o 30 neu fwy.