evidencegaps
Primary study · included by 1 review

Pain control in first-trimester surgical abortion: a systematic review of randomized controlled trials.

Renner 2010 · Renner Regina M, Jensen Jeffrey T, Nichols Mark D, et al. · Contraception · 2010

Included by

Efficacy and Harms of Opioid Analgesics for Acute Pain: Overview of Systematic Reviews and Meta-analyses.
Non-Cochrane · intervention · 2026 · cited as Renner 2010 · Table 1 (included systematic review, ref 70)

The review does not say which of its outcomes this study informs.

1 including review in total.