The most sensitive period in the development of an individual per son is certainly the adolescence. It is a cross roads where a person, leaving their child hood behind, via puberty chooses their direction to a life full of productive ness and good health or to ill nesses and vices. This period is followed with more intensive biological, psychological and social changes. Sexuality is an important aspect of adolescents' life whereas the adolescents' pregnancy and the delivery are considered to be both medical and psychological problem, be cause the morbidity and mortality of these mothers and their babies is more frequent than it happens with the rest of the women. The objective is to determine the percent age of the adolescents' pregnancy and delivery in the maternity ward of the District General Hospital in Prokuplje, as well as the percent age of both the morbidity and the mortality of the babies from the adolescents' pregnancies. The subject of our re search are the babies born form the adolescents' pregnancies during the period from 1st January, 2005, to 31st December, 2009. During the observed period the total number of newly born babies was 3905. 244 or 6.25% of that number were the adolescents who gave birth during that period. The data concerning the adolescent mothers' babies were analyzed for: TM of the babies, gestational age, APGAR score, parity, the way of a delivery closing, as well as for both the morbidity and mortality of babies and mothers. Two pregnancies resulted in twins, while 35 adolescents or 14.46% of the total number were delivered using cesarean section. The youngest adolescent (T.S) was 14 years, 6 months and 4 days old during the time of the delivery. Apart from a higher rate of both morbidity and mortality of these babies and their mothers, the adolescent mothers also risk not to grad u ate from school, to be unemployed and financially dependent.