As state Medicaid programs expand to include doula care, policymakers should be aware of the limitations in the evidence as they plan for successful implementation, such as the narrow focus on certain clinical outcomes to quantify cost savings and conflicting conclusions on the impact of doula care. An important consideration is the impact of the reimbursement rate on the adoption of doula care, which is why it is important to engage doulas in compensation determinations, as well as the development of improved metrics to untangle the components that contribute to maternal health outcomes in the United States.