Opioid Analgesia for Medical Abortion: A Randomized Controlled Trial.

OBJECTIVE:To estimate the effect of oral opioids on patient pain during first-trimester medical abortion.METHODS:We conducted a randomized, double-blind, placebo-controlled trial where patients up to 10 0/7 weeks of gestation undergoing a medical abortion with mifepristone and misoprostol took 10 mg