Objectives:

This study was to analyse the patterns of labour amongst term primigravida in active labour using WHO modified partograph& study the outcomes of labour, mode of delivery & neonatal outcomes amongst the different partograph pattern.

Method:A retrospective study was carried out analysed on 270 primigravida women by using WHO modified partographin the labour room, Department of Obstetrics &Gynaecology, Belagavi institute of Medical Sciences, Belagavi, Karnataka. This was carried during the months of November and December 2017.

The women were divided into 3 groups. Group Iincludes women whose partograph remained to the left of the alert line. Group II includes women whose partograph remained between alert line and action line & group III includes women whose partograph crosses action line.

The different types of abnormal labour, maternal & neonatal outcomes was studied in each of the three groups.

Statistical analysis: was done by Chi–square test.

Result:Among 270 women, 178 (65.92%) cases belonged to group I, 62 (22.96%) belonged to group II and 30 (11.11%) belonged to group III.

Cervical dilatation was at the rate of 1.5 cm per hour in group I. 0.9 cm per hour in group II and 0.6 cm per hour in group III.

The mean duration of active phase of labour were 4.3 hrs, 6.9 hrs and 10.15 hrs in group I, II and III respectively.

Conclusion:  Surgical interference, requirement of augmentation and mean duration of active phase of labour increased as the labour curve moved to the right of alert line. Increased rate of instrumental deliveries, LSCS, babies with lower APGAR score at 5 minute and NICU admissions were observed in group III compared to group I and II.