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Pelvic Inflammatory Disease
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Infertility
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Use Of An Intrauterine Device (Iud)
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Previous Exposure To Diethylstilbestrol (Des)
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Tubal Surgery
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Intrauterine Surgery (E.G. D&C)
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Smoking
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Previous Ectopic Pregnancy
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Endometriosis
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Tubal Ligation
High: Tubal sterilization, IUD, prior ectopic, PID (pelvic inflammatory disease), SIN (salpingitis isthmica nodosa)
Moderate: Smoking, having more than 1 partner, infertility, chlamydia
Low: Douching, age greater than 35, age less than 18, GIFT (gamete intrafallopian transfer)