Effect of Body Mass Index on the Active Stage of Labour

Shaheera Akram; Shazia  Chohan; Viqar  Ashraf; Asifa  Siraj; Mafia  Toheed; Rabia  Anwar

doi:10.51253/pafmj.v76i3.12542

Authors

Shaheera Akram Department of Obstetrics & Gynaecology, Pak Emirates Military Hospital, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Shazia Chohan Department of Obstetrics & Gynaecology, Pak Emirates Military Hospital, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Viqar Ashraf Department of Obstetrics & Gynaecology, Pak Emirates Military Hospital, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Asifa Siraj Department of Obstetrics & Gynaecology, Pak Emirates Military Hospital, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Mafia Toheed Department of Obstetrics & Gynaecology, Pak Emirates Military Hospital, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Rabia Anwar Department of Obstetrics & Gynaecology, Pak Emirates Military Hospital, Rawalpindi/National University of Medical Sciences (NUMS) Pakistan

DOI:

https://doi.org/10.51253/pafmj.v76i3.12542

Keywords:

Body mass index (BMI), Spontaneous onset of labour, Stages of Labour, WHO Ten-Group Classification System (TGCS)

Abstract

Objective: To explore the duration of the active phase of the second stage of labour in relation to maternal pre-pregnant body mass index (BMI).

Study Design: Prospective analytical study.

Place and Duration of Study: Department of Gynaecology and Obstetrics, Pak Emirates Military Hospital, Rawalpindi Pakistan from Dec 2023 to Jun 2024.

Methodology: Three hundred and fifty pregnant women (gestational age upto 22 weeks) who gave birth at the hospital were included. The women were categorised into two Groups according on their gestational age: nulliparous women (TGCS-1, 200) and parous women (TGCS-3, 150). Then, they were moved into BMI Groups according to the WHO classification. The average time it took for the second stage of labour active phase to complete was determined.

Results: Out of 200 TGCS Group 1 patients, 10(5.0%) patients were underweight, 122(61.0%) had normal BMI, 44(22.0%) were overweight and 24(12.0%) patients had obesity. In TGCS Group Caucasian (n=20,83.3%), Oxytocin augmentation (n=10,41.7%), Epidural analgesia (15, 62.5%), Intrapartum CS (n=3, 12.5%) more seen in obese Patients. In TGCS Group 3, similar Caucasian (n=26,81.3%) and Oxytocin augmentation (n=5,15.6%) more seen in obesity Patients. The overall median duration of active punching was increased in normal BMI patients Group 1 while in Group 3, Underweight of patients had overall more median

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