Last updated on February 2018

Comparing the Use of Dienogest and Combined Oral Contraceptive Pills (Microgynon) to Reduce the Risk of Recurrence of Endometriotic Cyst After Conservative Surgery

Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Endometriosis
  • Age: Between 18 - 51 Years
  • Gender: Female

Inclusion Criteria:

  • Good general health
  • Older than the age of legal consent (i.e. 18 years old)
  • Sonographic diagnosis of ovarian endometrioma with diameter at least 4cm on 2 separate scans at least 6 weeks apart
  • No contraindication to use of progesterone or combined oral contraceptive pills
  • Not attempting to conceive either at the time of study entry or for at least 2 years after surgery
  • Willing and able to participate after the study has been explained

Exclusion Criteria:

  • Operative findings not suggestive of endometriotic cyst
  • Contraindications to progestogens or oral contraceptive pills
  • Unwillingness to tolerate menstrual irregularity
  • Planning pregnancy within 2 years of study
  • Cannot understand English, Cantonese or Putonghua

Recruitment Status: Open

Brief Description Eligibility Contact Research Team

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