UnitedHealth has topped the consensus profi t estimate by more than 4% in each of the last 15 quarters.

FORBES: Get Growth, But At A Good Price

Wrth roi tystiolaeth, dywedodd Dr Davies bod yna "leiafrif bach" o blant sydd wedi profi anawsterau mor ddifrifol, fel bod y system mabwysiadu yn anaddas ar eu cyfer.

BBC: Pwyllgor Plant a Phobl Ifanc

Recent per-share-profit growth stems from steady, if modest, sales growth, consistent expansion of operating profi t margins, and stock buybacks, which have trimmed the share count by more than 4% in the past year.

FORBES: Get Growth, But At A Good Price