| http://www.w3.org/ns/prov#value | - The risk of impaired fecundity is doubled among women who have had pelvic inflammatory disease (PID), once age and other variables have been controlled for.35 According to an analysis of NSFG data on PID, 11% of American women reported they had had PID at some time in their lives.36 The factors that significantly predicted PID among all women, other than the woman's age, were being black, having h
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