Introduction: Adolescence is the transitional phase of growth and development between childhood and adulthood when structural, functional and psychosocial development occurs [1]. The world health organization (WHO) defines an adolescent as any person between10 and 19 years of age. All over the world and more in developing countries like India teenage pregnancy rate is ona rise and emerging as a serious problem. It constitutes 11 percent of all the births worldwide and 23 percent of overall disease burden due to pregnancy and child birth [2]. Aims: To determine the incidence of Teenage pregnancy, to analyse the factors contributing to teenage pregnancy, to study the health problems of teenage mothers during pregnancy, labour and puerperium and to study the fetal consequences of teenage pregnancy. Materials and Methods: This prospective study was conducted in Obstetrics and Gynaecology Department of Mahatma Gandhi Medical College Sitapura, Jaipur from 1st January 2021 to 30th June 2022 and data was analysed. Conclusion: Mean age of teenage pregnancy was (mean± s.d.) 18.7571± 0.4945 and in Non-teenage pregnancy, the mean Age (mean± s.d.) of patients was 25.2143± 2.9825.In our study we found that maximum Teenage pregnancies belonged to rural area and lower socio economic status. Teenage pregnant women were more anemic and had other feto-maternal complication. Which was statically significant in our study.