Contraception
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Randomized Controlled Trial Comparative Study
Nitrous oxide for pain management of first trimester surgical abortion -- a randomized controlled pilot study.
The objective was to determine feasibility of a study comparing mean pain scores between women randomized to nitrous oxide/oxygen (NO) versus oxygen+oral analgesics for trimester surgical abortion. ⋯ The majority of eligible women agreed to participate in this study evaluating an uncommon pain control intervention.