Objective: To assess the pregnancy outcome in un-booked patients presenting at Civil Hospital, Bahawalpur. Material and Methods: This cross sectional study was conducted at Department of Obstetrics & Gynecology, Civil Hospital, Bahawalpur from November 2018 to May 2019 over the period of 6 months. Total 332 unbooked obstetric patients having age from 18-35 years, primary or multi paras were selected for this study and pregnancy outcome was assessed. Results: Mean age of the un-booked patients was 25.22 ± 5.36 years. Out of 332 un-booked patients, vaginal deliveries were 202 (60.84%) and c-section was performed in 130 (39.16%) patients. In age group 18-27 years, c-section was done in 85 (37.44%) patients and vaginal deliveries were 142 (62.56%) patients. No association of mode of delivery with age group was found with p value 0.347. Primary paras were 185 (55.72%) and multiparas were 147 (44.28%). Caesarean section was done in 79 (42.70%) primary paras and in 51 (34.70%) multiparas. Vaginal deliveries were done in 106 (57.30%) primary paras and 96 (65.30%) multiparas. Statistically insignificant association between mode of delivery and parity was noted with p value 0.138. Conclusion: Results of present showed that among the un-booked cases, mode of delivery in most of the cases was vaginal. No association of mode of delivery with age, monthly income, area of residence and parity was noted. Most of the un-booked cases were educated but association of mode of delivery with education was not significant statistically. Key Words: Unbooked, antenatal care, booked, parity, Obstetric complications