Objective: The purpose of this study was to relate the mode of delivery and outcomes in a cohort of cases of placenta previa that had the last transvaginal ultrasonographic scan <28 days before delivery. Study Design: Cases in which the placental edge overlapped the internal cervical (n = 42) underwent cesarean section delivery. Labor was allowed in those with placental edge to internal os distance of 1-10 mm (group 1, 24 women) and those with a distance of 11-20 mm (group 2, 29 women). Results: Rates of cesarean section delivery (75% vs 31%; odds ratio, 6.7; 95% confidence interval [CI], 2-22) and of bleeding before labor (29% vs 3%; odds ratio, 11.5; 95% CI, 1.6-76.7) were higher in group 1 than in group 2. Blood loss at delivery (662 ± 466 mL vs 510 ± 547 mL) and rate of severe postpartum hemorrhage (21% vs 10%; odds ratio, 2.3; 95% CI, 0.5-9.7) were similar in the 2 groups. Conclusion: More than two-thirds of women with a placental edge to cervical os distance of >10 mm deliver vaginally without increased risk of hemorrhage. © 2009 Mosby, Inc. All rights reserved.

Vergani, P., Ornaghi, S., Pozzi, I., Beretta, P., Russo, F., Follesa, I., et al. (2009). Placenta previa: distance to internal os and mode of delivery. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 201(3), 266.e1-266.e4 [10.1016/j.ajog.2009.06.009].

Placenta previa: distance to internal os and mode of delivery

VERGANI, PATRIZIA;ORNAGHI, SARA;POZZI, ILARIA;
2009

Abstract

Objective: The purpose of this study was to relate the mode of delivery and outcomes in a cohort of cases of placenta previa that had the last transvaginal ultrasonographic scan <28 days before delivery. Study Design: Cases in which the placental edge overlapped the internal cervical (n = 42) underwent cesarean section delivery. Labor was allowed in those with placental edge to internal os distance of 1-10 mm (group 1, 24 women) and those with a distance of 11-20 mm (group 2, 29 women). Results: Rates of cesarean section delivery (75% vs 31%; odds ratio, 6.7; 95% confidence interval [CI], 2-22) and of bleeding before labor (29% vs 3%; odds ratio, 11.5; 95% CI, 1.6-76.7) were higher in group 1 than in group 2. Blood loss at delivery (662 ± 466 mL vs 510 ± 547 mL) and rate of severe postpartum hemorrhage (21% vs 10%; odds ratio, 2.3; 95% CI, 0.5-9.7) were similar in the 2 groups. Conclusion: More than two-thirds of women with a placental edge to cervical os distance of >10 mm deliver vaginally without increased risk of hemorrhage. © 2009 Mosby, Inc. All rights reserved.
Articolo in rivista - Articolo scientifico
placenta previa, delivery
English
2009
201
3
266.e1
266.e4
none
Vergani, P., Ornaghi, S., Pozzi, I., Beretta, P., Russo, F., Follesa, I., et al. (2009). Placenta previa: distance to internal os and mode of delivery. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 201(3), 266.e1-266.e4 [10.1016/j.ajog.2009.06.009].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/9534
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