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. Author manuscript; available in PMC: 2014 Dec 19.
Published in final edited form as: Fertil Steril. 2011 Apr;95(5):1568–1573. doi: 10.1016/j.fertnstert.2011.01.027

TABLE 1.

Inclusion and exclusion criteria.

Criteria
Inclusion
    Age greater than 18 and premenopausal.
    Pelvic pain of at least 3 months’ duration.
    Diagnosis of endometriosis by laparoscopy or laparotomy within 3 years of entry. The diagnosis of endometriosis will require either histology consistent with endometriosis or operative records indicating visual evidence of lesions consistent with endometriosis.
    Moderate to severe pelvic pain attributable to endometriosis (average NRS40 of 5 or more for 3 or more months).
    Willingness to comply with visit schedule and protocol.
Exclusion
    Use of OCs within 1 month of enrollment.
    Dose of leuprolide within 3 months if given monthly or within 5 months if given 3-month injection.
    Any disorder that represents a contraindication to the use of OCs (e.g., insulin-dependent diabetes mellitus, history of thrombophlebitis, hypertension, history of cardiovascular disease, smoker at 35 or more years of age) or GnRH analogs (e.g., history of osteopenia).
    History ofhysterectomyand bilateral salpingo-ophorectomy.
    Pregnancy or breastfeeding.
    Significant mental or chronic systemic illness that might confound pain assessment or the inability to complete the study.