In this National Law Journal Journal Article, Tresa Baldas asks the question:  Is having a uterus a pre-existing condition? This article examines the insurance industry’s practice of charging women higher insurance rates than men for the same services, also known as gender rating.

http://www.law.com/jsp/article.jsp?id=1202434670357&Advocates_Say_Being_a_Woman_Is_Not_a_PreExisting_Condition#