Journal of AdvancedMedical and Dental Sciences Research

Background: Preterm labour is the onset of regular uterine contractions associated with progressive cervical change between viability and 37 completed weeks of gestation. The present study reported the cases of preterm labor and preterm birth in known group. Materials & Methods: 116 antenatal females with preterm labor at less than 37 weeks gestational age underwent ultrasonography (USG) by Toshiba machine. Risk factors related to preterm labor were recorded. Results: Various risk factors were PROM seen in 24, APH in 36, infection in 28, maternal diseases in 2, multiple gestation in 10 and idiopathic in 16 cases. The difference was significant (P<0.05). Conclusion: Various risk factors associated with preterm labour were PROM, multiple gestation, APH and idiopathic. Key words: Preterm labor, Pregnancy, Gestation.