Effect of Maternal Body Mass Index on Labor Progress in Nulliparous Women

Cairo University (CU) logo

Cairo University (CU)

Status

Completed

Conditions

Labor Progress

Study type

Observational

Funder types

Other

Identifiers

NCT02686073
Kasr El-Aini Hospital

Details and patient eligibility

About

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.

Full description

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.

Enrollment

600 patients

Sex

Female

Ages

20 to 40 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • 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.

Exclusion criteria

  • 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.

Trial design

600 participants in 3 patient groups

Group A
Description:
Underweight participants whose body mass index is less than 18.5 kg/m2
Group B
Description:
Control group, in which the participants belong to the normal body mass index range , from 18.5 to 29.9 kg/m2
Group C
Description:
Obese participants whose body mass index is more than or equal to 30 kg/m2.

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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