Okla. Stat. tit. 36, § 6060.3a

A. Any health benefit plan, including the State and Education Employees Group Health Insurance plan, that is offered, issued or renewed in this state on or after January 1, 2005, that provides medical and surgical benefits shall provide coverage for routine annual obstetrical/gynecological examinations. B. The benefit required to be provided by this section shall in no way diminish or limit diagnostic benefits otherwise allowable under a health benefit plan. C. Nothing in this section shall be construed as requiring such routine annual examination to be performed by an obstetrician, gynecologist, or obstetrician/gynecologist. D. As used in this section, “health benefit plan” means any plan or arrangement as defined in subsection C of Section 6060.4 of this title, except that the term “health benefit plan” does not include policies or certificates issued to individuals or groups with fewer than fifty employees. E. The provisions of this section shall not apply to policies or certificates issued to individuals or groups with fewer than fifty employees.