Risk of cesarean section after induced versus spontaneous labor at term gestation

OBJECTIVE: To investigate whether the cesarean section (CS) rate is increased in women whose labor was induced compared to those who had spontaneous labor at term pregnancy. METHODS: A retrospective study was performed in women whose labor was either induced (induction group, n=497) or spontaneous (spontaneous group, n=878) at 37+0 to 41+6 weeks of gestation from January 2008 to June 2009. Maternal age, parity, body mass index (BMI), Bishop scores, gestational age, hypertension, diabetes, delivery mode, indications for CS, neonatal outcome were compared between the two groups. Multiple logistic regression analysis was used to examine the association between the CS rate and labor induction after adjusting for potential confounding variables. RESULTS: CS (17.3% vs. 5.3%, P<0.001) and vacuum-assisted delivery (10.7% vs. 6.4%, P<0.001) rates were significantly higher in the induction group compared to the spontaneous group. The CS rate in the induction group was higher than the spontaneous group not only in nulliparous women (25.3% vs. 8.6%, P<0.001), but also in multiparous women (3.8% vs. 0.3%, P=0.002). However, after adjusting confounding factors, the higher CS rate was significantly associated with advanced maternal age, higher BMI, lower Bishop scores and nulliparity, with no demonstrable tie to labor induction. Neonatal outcome in the two groups were comparable. CONCLUSION: Although CS rate was higher in women whose labor was induced than those who had spontaneous labor, this higher rate was associated with maternal age, BMI, Bishop scores and parity, but was not impacted by labor induction per se.

Comparative study of laparoscopy and laparotomy for the pregnant women with non-malignant ovarian tumors / 대한산부인과내시경학회지

OBJECTIVE: The purpose of our study is to investigate the feasibility of the laparoscopy and compare perioperative outcomes between laparoscopy and laparotomy in pregnant women with non-malignant ovarian tumor. METHODS: Retrospective comparative analysis of 56 pregnant women who underwent laparoscopy or laparotomy due to non-malignant ovarian tumors at Samsung Medical Center, Seoul, Korea, between October 1994 and December 2010 were performed. RESULTS: Among 56 patients, 22 and 34 pregnant women underwent laparotomy and laparoscopy, respectively. There were no statistically significant differences between the two groups about general characteristics including age, gestational age, torsion, surgeon type, pain at diagnosis and clinical outcomes including tocolytics use, operation type, operation time, the ratio of normal full-term vaginal delivery, Apgar score. However, pathological longest tumor size was larger in laparotomy group than laparoscopy group (9.0 cm vs. 5.8 cm; p=0.001) and laparoscopy was related with significantly less estimated blood loss (200 vs. 50 mL; p=0.001) and short hospital days (7 vs. 4 days; p<0.001). CONCLUSION: Laparoscopy for the treatment of non-malignant ovarian tumors in pregnant women is feasible and has benefits such as less estimated blood loss during the surgery and hospital stays when compared with laparotomy. However, laparoscopic adnexal surgery for large tumor size may be still challenging in pregnant women.