Ind. Code § 27-8-5-25
(c) When an employer that has a group policy issued by an insurer that contains maternity benefits:
(2) replaces the discontinued policy with coverage through a succeeding insurer;
the succeeding insurer's policy may not contain a preexisting condition limitation for maternity or exclude coverage due to pregnancy for employees or spouses of employees who were covered under the prior policy on the date the prior plan was discontinued.
As added by P.L.116-1994, SEC.60.