March 19 (Reuters) - Amedisys ( AMED ) said on Tuesday

Oregon's health authority has started a review of UnitedHealth

Group's ( UNH ) $3.3 billion acquisition of the home health and

hospice caregiver.

The notice by the state government agency said it will

complete the review within 180 days, according to Amedisys ( AMED ).

(Reporting by Leroy Leo in Bengaluru)