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Comparative Study
Journal Article
Randomized Controlled Trial
Optimization of third-stage management after second-trimester medical pregnancy termination.
American Journal of Obstetrics and Gynecology 2009 September
OBJECTIVE: Comparison of 3 regimens for third-stage management after second-trimester intravaginal misoprostol termination.
STUDY DESIGN: Prospective randomized trial. Three third-stage management strategies were compared: 10 units of intramuscular oxytocin (group 1), 600 microg oral misoprostol (group 2), or no additional medication (group 3) after fetal expulsion. Primary study outcome was the incidence of placental retention.
RESULTS: Two hundred fifty-one women were randomly assigned to the groups. There was a significant difference in placental retention rates: group 1, 8 of 83 (10%) vs group 2, 24 of 83 (29%) vs group 3, 26 of 85 (31%); P = .002. Blood loss was significantly lower in group 1, 100 mL (interquartile ranges, 50-200) vs group 2, 200 mL (interquartile ranges, 100-370) vs group 3, 200 mL (interquartile ranges, 100-375); P < .001. Requirement for blood transfusion: group 1, 1 of 83 (1%) vs group 2, 1 of 83 (1%) vs group 3, 5 of 85 (6%); P = .103.
CONCLUSION: Intramuscular oxytocin administered after fetal delivery after second-trimester medical termination significantly increases placental expulsion rates and decreases short-term postpartum blood loss.
STUDY DESIGN: Prospective randomized trial. Three third-stage management strategies were compared: 10 units of intramuscular oxytocin (group 1), 600 microg oral misoprostol (group 2), or no additional medication (group 3) after fetal expulsion. Primary study outcome was the incidence of placental retention.
RESULTS: Two hundred fifty-one women were randomly assigned to the groups. There was a significant difference in placental retention rates: group 1, 8 of 83 (10%) vs group 2, 24 of 83 (29%) vs group 3, 26 of 85 (31%); P = .002. Blood loss was significantly lower in group 1, 100 mL (interquartile ranges, 50-200) vs group 2, 200 mL (interquartile ranges, 100-370) vs group 3, 200 mL (interquartile ranges, 100-375); P < .001. Requirement for blood transfusion: group 1, 1 of 83 (1%) vs group 2, 1 of 83 (1%) vs group 3, 5 of 85 (6%); P = .103.
CONCLUSION: Intramuscular oxytocin administered after fetal delivery after second-trimester medical termination significantly increases placental expulsion rates and decreases short-term postpartum blood loss.
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