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SAN FRANCISCO -- In a year's experience with the NuvaRing contraceptive, 2.3% of women experience an expulsion, according to the results of four large, phase III clinical trials, Marc Kaptein, M.D., and Edio Zampaglione, M.D., said in a poster presentation at the annual meeting of the American College of Obstetricians and Gynecologists.
In a retrospective analysis of 3,333 ...