The number of companies that would actually opt for such exemptions is unclear. An employee's coverage would depend largely on the employer's insurance plan, as well as the state's laws. Currently, 30 states and the District of Columbia require insurance plans to cover contraceptives to some extent, with certain exemptions, according to the Kaiser Family Foundation. But state laws in those places do not have authority over all plans. Meanwhile, 20 states have no contraception requirements for insurance plans.