Pain management for medical abortion before 14 weeks’ gestation

Primary objective

  • To determine if there is evidence of superiority of any particular pain relief regimen in the management of combination medical abortion (mifepristone + misoprostol) under 14 weeks' gestation (i.e. up to 13 + 6 weeks or 97 days).

Secondary objectives

  • To compare the rate of gastrointestinal side effects resulting from different methods of analgesia
  • To compare the rate of complete abortion resulting from different methods of analgesia during medical abortion
  • To determine if induction-to-abortion interval is associated with different methods of analgesia
  • To determine if any method of analgesia is associated with unscheduled contact with care provider in relation to pain

This is a protocol.

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