In 2022, 23,541 pregnant women had their initial assessment by 14 weeks gestation, and of these 589 had missing or invalid data recorded for these data items.
Yn 2022, cafodd 23,541 o fenywod beichiog eu hasesiad cychwynnol erbyn 14eg wythnos y beichiogrwydd, ac yn achos 589 ohonynt roedd data ar goll neu’n annilys ar gyfer yr eitemau data hyn.