Forest plots showing decrease in pain scores across the six time points: A. 30 minutes, B. 1 hour, C. 2 hours, D. 4 hours, E. 8 hours or discharge, and F. 24 hours or postoperative day 1. IV, initial value; CI, confidence interval.Fig. 2. Harrison. Reducing Pain After Laparoscopic Tubal Ligation. Obstet Gynecol 2014.