Marital quality is well established as a determinant of health in Western contexts, yet the importance of relationship quality to health in non-Western contexts is largely limited to a focus on domestic violence. Using the Women's Reproductive Histories Survey, this paper examines whether women with higher quality family relationships are more likely to use maternal health care in Madhya Pradesh, India. Results show that among nuclear families, women with better marital relationships are more likely to use antenatal care and deliver in a health facility. Among joint families, women who have better relationships with their in-laws are more likely to use antenatal care. The results further suggest that women's agency mediates some, but not all, of the effect of relationship quality on maternal health care use.