Mothers whose pregnancies span two calendar years could face higher out-of-pocket costs for maternity care simply because of when they became pregnant, according to a new USC study.

The study, from the USC Schaeffer Center for Health Policy & Economics, finds that some women with high-deductible health plans pay their cost-sharing limit twice during pregnancies that occur across two health plan years, which are typically calendar years. That can result in some patients paying $1,310 more, on average, for similar maternity care services.

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