The House on Tuesday passed a bipartisan bill aimed at reversing the maternal mortality crisis in the U.S. in what supporters say is the strongest action yet that Congress has taken on the issue.

The bill from Reps. Jaime Herrera Beutler (R-Wash.) and Diana DeGette (D-Colo.) would support state-level efforts to track and investigate pregnancy-related deaths, and then look for ways to prevent future deaths from occurring.