The incidence and predictability of high-risk conditions potentially warranting a higher level of maternal care

Affiliations

• ¹ Department of Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St., Austen 4, Boston, MA 02114. Electronic address: [email protected].
• ² Department of Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St., Austen 4, Boston, MA 02114.