Objective. To prospectively evaluate the outcome of labor induction in women with oligohydramnios at term. Methods. This was a prospective case-control study which included 120 consecutive patients with Amniotic Fluid Index (AFI) <= 5 undergoing labor induction. One hundred and sixteen patients with normal amniotic fluid matched for gestational age (+/- 3 days) and Bishop-score served as controls. Inclusion criteria were: requirement of labor induction, singleton pregnancy, nulliparity, Bishop score <5, gestational age >= 266. Preinduction treatment included the use of up to 3 successive doses of dinoprostone intracervical gel (0.5 mg). Vaginal dinoprostone (2 mg) and/or oxytocin were then applied to induction labor, if necessary. Results. The rate of cesarean section in AFI <= 5 group (38.3%) was not significantly different to that in control group (34.2%). The interval from induction to vaginal delivery was not significantly different for AFI <= 5 group (1499 +/- 895 min.) and control group (1398 +/- 852 min.). The changes in Bishop score evaluated at 6th and 12th hour after dinoprostone were not significantly different in control and AFI <= 5 group. More women in the latter group (11.7% vs 3.3%, Chi Square: 4.86, p=0.027) required the use of drugs in order to manage tachysystole/hyperstimulation allowing a OR=3.83 (95% C.I.=1.13-14.27). The length of stay at hospital was 4.2 +/- 1.8 days for AFI 45 group and 4.3 +/- 1.3 for control group. Conclusions. Oligohydranmios at term did not influence the outcome of induction of labour in nulliparous women with unfavorable cervix.
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|Anno di pubblicazione:||2005|
|Titolo:||Induction of labour in women with oligohydramnios|
|Autori:||P. Venturini; G. Contu; V. Mazza; F. Facchinetti|
|Appare nelle tipologie:||Articolo su rivista|
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