Identification of racial/ethnic disparities associated with severe maternal morbidity using the Arkansas All-Payer Claims Database (2013-2017).

Comorbidities, socioeconomic factors, and other factors did not fully explain the Black-white disparities in SMM. Persistent disparities in the rates of SMM throughout 42 days postpartum among Black women relative to white women points to the need for higher quality, more equitable care for women of color in the fist months postpartum.