Abstract Objectives: to evaluate the success rate of labor induction and determinants of successful outcome. Methods: retrospective cohort study of parturients that undergone labor induction between 2006 and 2015. Data was retrieved from the medical records and multivariate logistic regression was used to evaluate the determinants of successful labor induction. Results: the rate of labor induction was 10.9%. Out of the 940 women analysed, six hundred and fifty-six women (69.8%) had successful vaginal delivery. Labor induction at 39-40 weeks (OR=2.70; CI95%=1.17-6.36), 41 weeks (OR=2.44; CI95%=1.14-5.28), estimated fetal weight between 2.5 and 3.4kg (OR=4.27, CI95%=1.96-5.59) and estimated fetal weight of 3.5-3.9kg (OR=5.45; CI95%=2.81-10.60) increased the odds of achieving vaginal delivery. Conclusions: our findings suggest that 39, 40 and 41 weeks are optimal gestational ages for labor induction with respect to successful vaginal delivery. Also, estimated fetal weight between 2.5kg and 3.9kg favours successful vaginal delivery. Objectives outcome Methods 200 2015 Results 109 10 9 10.9% 94 analysed fiftysix fifty 69.8% 698 69 8 (69.8% delivery 3940 39 39-4 OR=2.70 OR270 OR 2 70 (OR=2.70 CI95%=1.176.36, CI95117636 CI CI95%=1.17 6.36 , CI95 1 17 6 36 CI95%=1.17-6.36) 4 OR=2.44 OR244 44 (OR=2.44 CI95%=1.145.28, CI95114528 CI95%=1.14 5.28 14 5 28 CI95%=1.14-5.28) 25 2. 34kg kg 3 4kg OR=4.27, OR427 27 (OR=4.27 CI95%=1.965.59 CI95196559 CI95%=1.96 5.59 96 59 CI95%=1.96-5.59 3.53.9kg 3539kg 3.5 9kg OR=5.45 OR545 45 (OR=5.45 CI95%=2.8110.60 CI952811060 CI95%=2.81 10.60 81 60 CI95%=2.81-10.60 Conclusions Also 25kg 5kg 39kg 20 201 10.9 69.8 (69.8 394 39- OR=2.7 OR27 7 (OR=2.7 176 CI95%=1.176.36 CI9511763 CI95117 CI95%=1.1 636 6.3 CI9 CI95%=1.17-6.36 OR=2.4 OR24 (OR=2.4 145 CI95%=1.145.28 CI9511452 CI95114 528 5.2 CI95%=1.14-5.28 OR=4.27 OR42 (OR=4.2 965 CI95%=1.965.5 CI9519655 CI95196 CI95%=1.9 559 5.5 CI95%=1.96-5.5 53 35 3. OR=5.4 OR54 (OR=5.4 8110 CI95%=2.8110.6 CI95281106 CI95281 CI95%=2.8 1060 10.6 CI95%=2.81-10.6 10. 69. (69. OR=2. OR2 (OR=2. CI95%=1.176.3 CI951176 CI9511 CI95%=1. 63 6. CI95%=1.17-6.3 CI95%=1.145.2 CI951145 52 5. CI95%=1.14-5.2 OR=4.2 OR4 (OR=4. CI95%=1.965. CI951965 CI9519 55 CI95%=1.96-5. OR=5. OR5 (OR=5. 811 CI95%=2.8110. CI9528110 CI9528 CI95%=2. 106 CI95%=2.81-10. (69 OR=2 (OR=2 CI95%=1.176. CI951 CI95%=1 CI95%=1.17-6. CI95%=1.145. CI95%=1.14-5. OR=4. (OR=4 CI95%=1.965 CI95%=1.96-5 OR=5 (OR=5 CI95%=2.8110 CI952811 CI952 CI95%=2 CI95%=2.81-10 (6 OR= (OR= CI95%=1.176 CI95%= CI95%=1.17-6 CI95%=1.145 CI95%=1.14-5 OR=4 CI95%=1.96- CI95%=2.811 CI95%=2.81-1 ( (OR CI95% CI95%=1.17- CI95%=1.14- CI95%=2.81-
Resumo Objetivos: avaliar a taxa de sucesso da indução do trabalho de parto e determinantes de um resultado bem sucedido. Métodos: estudo de coorte retrospectivo de parturientes que submeteram a indução de trabalho de parto entre 2006 e 2015. Os dados foram recuperados dos registros médicos e a regressão logística multivariada foi utilizada para avaliar os determinantes da indução de trabalho de parto bem sucedida. Resultados: a taxa de indução de trabalho de parto foi de 10,9%. Das 940 mulheres analisadas, seiscentas e cinquenta e seis mulheres (69,8%) tiveram um parto vaginal bem sucedido. A indução de trabalho de parto nas 39-40 semanas (OR=2,70; IC95%=1,17-6,36), 41 semanas (OR=2,44; IC95%=1,14-5,28), peso fetal estimado entre 2,5 e 3,4kg OR=4,27; IC95%=1,96-5,59) e peso fetal estimado entre 3,5-3,9kg (OR=5,45; IC95%=2,81-10,60) aumentou as probabilidades de conseguir um parto vaginal. Conclusões: as nossas conclusões sugerem que as 39, 40 e 41 semanas são idades gestacionais ideais para a indução do trabalho de parto no que diz respeito ao sucesso do parto vaginal. Além disso, o peso fetal estimado entre 2,5kg e 3,9kg favorece o parto vaginal bem sucedido. Objetivos sucedido Métodos 200 2015 sucedida Resultados 109 10 9 10,9% 94 analisadas 69,8% 698 69 8 (69,8% 3940 39 39-4 OR=2,70 OR270 OR 2 70 (OR=2,70 IC95%=1,176,36, IC95117636 IC IC95%=1,17 6,36 , IC95 1 17 6 36 IC95%=1,17-6,36) 4 OR=2,44 OR244 44 (OR=2,44 IC95%=1,145,28, IC95114528 IC95%=1,14 5,28 14 5 28 IC95%=1,14-5,28) 25 2, 34kg kg 3 4kg OR=4,27 OR427 27 IC95%=1,965,59 IC95196559 IC95%=1,96 5,59 96 59 IC95%=1,96-5,59 3,53,9kg 3539kg 3,5 9kg OR=5,45 OR545 45 (OR=5,45 IC95%=2,8110,60 IC952811060 IC95%=2,81 10,60 81 60 IC95%=2,81-10,60 Conclusões disso 25kg 5kg 39kg 20 201 10,9 69,8 (69,8 394 39- OR=2,7 OR27 7 (OR=2,7 176 IC95%=1,176,36 IC9511763 IC95117 IC95%=1,1 636 6,3 IC9 IC95%=1,17-6,36 OR=2,4 OR24 (OR=2,4 145 IC95%=1,145,28 IC9511452 IC95114 528 5,2 IC95%=1,14-5,28 OR=4,2 OR42 965 IC95%=1,965,5 IC9519655 IC95196 IC95%=1,9 559 5,5 IC95%=1,96-5,5 53 35 3, OR=5,4 OR54 (OR=5,4 8110 IC95%=2,8110,6 IC95281106 IC95281 IC95%=2,8 1060 10,6 IC95%=2,81-10,6 10, 69, (69, OR=2, OR2 (OR=2, IC95%=1,176,3 IC951176 IC9511 IC95%=1, 63 6, IC95%=1,17-6,3 IC95%=1,145,2 IC951145 52 5, IC95%=1,14-5,2 OR=4, OR4 IC95%=1,965, IC951965 IC9519 55 IC95%=1,96-5, OR=5, OR5 (OR=5, 811 IC95%=2,8110, IC9528110 IC9528 IC95%=2, 106 IC95%=2,81-10, (69 OR=2 (OR=2 IC95%=1,176, IC951 IC95%=1 IC95%=1,17-6, IC95%=1,145, IC95%=1,14-5, OR=4 IC95%=1,965 IC95%=1,96-5 OR=5 (OR=5 IC95%=2,8110 IC952811 IC952 IC95%=2 IC95%=2,81-10 (6 OR= (OR= IC95%=1,176 IC95%= IC95%=1,17-6 IC95%=1,145 IC95%=1,14-5 IC95%=1,96- IC95%=2,811 IC95%=2,81-1 ( (OR IC95% IC95%=1,17- IC95%=1,14- IC95%=2,81-