Expect insurers to seek significant premium increases under President Barack Obama’s health care law, in a wave of state-level requests rippling across the country ahead of the political conventions this summer.

Insurers say the law’s coverage has been a financial drain for many of them, and they’re setting the stage for 2017 hikes that in some cases could reach well into the double digits.

For example in Virginia, a state that reports early, nine insurers returning to the HealthCare.gov marketplace are seeking average premium increases that range from 9.4 percent to 37.1 percent.

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