Revising the Norms of Labor Progress in Egyptian Nulliparous Women in Relation to Maternal Body Mass Index Categories
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 600
- 试验地点
- 1
- 主要终点
- rate of cervical dilatation
研究概览
简要总结
Study the rate of progress of labor among nulliparous women belonging to different body mass index groups, & observe how does this variation in maternal body mass index may affect the course of labor.
详细描述
For nulliparous cases presenting to the labor ward, maternal height & weight will be collected at the time of admission to calculate the BMI (body mass index) & further classified according to WHO (World Health Organization) categories. Putting into consideration the physiological increase in BMI related to pregnancy, the overweight participants whose BMI (25-29.9) will be combined with the normal range BMI (18.5-24.9) category. Labor characteristics of these participants will be then compared with those of the underweight (BMI less than 18.5) & obese (BMI 30 or higher) participants.Females are assigned in one of 3 groups based on their BMI; Underweight group (BMI <18.5kg/m2), Control group whose BMI within normal range (18.5-29.9 kg/m2),& Obese group (BMI more than or equal 30kg/m2).
Labor management protocols are fixed. Data on labor progression are collected, including cervical dilatation, cervical effacement, head station & descent. The median duration of labor , estimated by rate of cervical dilatation in cm, will be used as a measurement of labor progression in each group.
A cesarean section for abnormal labor pattern will be documented as failure of progress.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 20 Years 至 40 Years（Adult）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •nulliparous women in active phase of labor, with an age range from 20 to 40 years.
- •Full term pregnancy, singleton, viable fetus, cephalic (vertex) presentation, occipito-anterior position.
排除标准
- •Multiparous women. Preterm labor. Passed date delivery. Multiple gestation. Large fetal weight (more than 4000g). Intrauterine fetal death. Intrauterine fetal growth restriction. Major fetal congenital anomalies. Rupture of membranes before onset of active labor. Fetal malposition or malpresentation. Inadequate pelvis or cephalopelvic disproportion. Maternal medical disorder.
- •Induction of labor by oxytocin or prostaglandins. Conditions requiring urgent delivery eg antepartum haemorrhage, fetal distress, cord prolapse.
结局指标
主要结局
rate of cervical dilatation
时间窗: every 2 hours during active phase of labor, from admission to the labor ward until second stage of labor.
in centimeters
次要结局
- descent of fetal head(every 2 hours during active phase of labor, from admission to the labor ward until second stage of labor)
研究者
Doaa Shafie Belal
Lecturer
Cairo University