More than half of cervical cancer cases in the United States occur in women who have not had timely Pap smears and/or HPV tests—screenings that allow for detection of precancerous or cancerous cells on the cervix. Encouraging low-income women in particular to participate in such screenings likely would improve cancer detection and save lives, but health-care professionals have been uncertain of how best to improve patient adherence to screenings and follow-ups involving abnormal results.