This state's law requires health maintenance organizations to cover infertility services as part of basic preventive health care services. The law does not define infertility or the scope of services covered; nor did the state ever draft regulations explaining what infertility services entail.

As for health insurers other than HMOs, the law specifically excludes infertility coverage from the required scope of health benefits those insurers must provide. (Montana Code Annotated, Sections 33-22-1521 and 33-31-102).
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