Abstract

1. Abstract
Preterm labour is one of the Preterm Labour (PTL) is one of the leading causes of perinatal morbidity and mortality.
1.1. Incidence: The overall incidence of PTL is around 10-15% (6-15% Range)3
1.2. Risk factors: Previous history of preterm labour is one of the important risk factor (risk of PTL in subsequent pregnancies is 14.3% and 28% after one and two preterm births. Others include multiple pregnancy, uterine over distension (polyhydramnios, macrosomia and fibroids), uterine anomalies, cervical incompetence, bacterial vaginosis, bleeding in early pregnancy, poor socioeconomic status, elderly and adolescent age group and tobacco use.