Establishes coverage levels for doula services in the state medical assistance program and for health benefit plans that provide coverage for pregnancy and childbirth expenses. Requires the Oregon Health Authority, coordinated care organizations and health benefit plans that provide coverage for pregnancy and childbirth to provide coverage for services of lactation counselors. Specifies that minimum coverage level modifications for doula services and required coverage for lactation counselor services become operative on January 1, 2028. Directs the Traditional Health Workers Commission to establish a voluntary registration system for lactation counselors. Becomes operative on January 1, 2028. Creates the Oregon Perinatal Collaborative in the Oregon Health and Science University. Declares an emergency, effective on passage.