The bipartisan Moms Matter Act will make investments in programs to support moms with maternal mental health conditions and substance use disorders. It also provides critical funding to grow and diversify the maternal mental and behavioral health care workforce. The Moms Matter Act will: 1. Establish a Maternal Mental Health Equity Grant Program to invest in local initiatives supporting people with mental health conditions or substance use disorders during or after pregnancy. 2. Provide funding for programs to grow and diversify the maternal mental and behavioral health care workforce to expand access to high-quality maternal mental health care and substance use disorder services.