OBJECTIVE: To find prevalence of preterm birth in Pakistan and to explore its related risk factors. METHODS: This analytical cross sectional study was conducted from October 1, 2016, to September 30, 2017, at Hajvery University, Lahore, Pakistan, and data was collected from Obstetrics and Gynaecology departments of various hospitals in four provinces of the country. ...Top 5 major risk factors identified were Placenta Previa odds ratio: 51.97 , maternal thyroid disease odds ratio: 18.46 , being a minority odds ratio: 7.73 , foetal distress odds ratio: 7.19 , and maternal asthma odds ratio: 6.23 . ...