College of Midwives of Ontario The College of Midwives of Ontario was established with the proclamation of the Regulated Health Professions Act, 1991 (RHPA) and the Midwifery Act, 1991 on December 31, 1993 to govern midwifery. The mandate of the College is to regulate the profession of midwifery in accordance with the RHPA. The College’s primary obligation to the public is to ensure that members of the profession are qualified, skilled, and competent in the area in which they practise.