Teenage pregnancy is a worldwide problem bearing serious social and medical implications relating to maternal and child health. Several medical complications such as pre-term birth, low birth weight, small for gestational age, and anemia are found in teenage pregnancies. Objective: comparison of pregnancy related complications and neonatal outcomes between teenage pregnancies (16-19 years) and a group of reproductive-age pregnancies (20-29 years). Material and Methods: A cross sectional, hospital-based study was undertaken over a period of 3 months in four hospitals in Obstetrics and Gynecology Department. Our study subjects were divide into two groups; the study group consisted of teenage mothers between 16 and less than 20 years old who were admitted to and delivered in the hospitals during the study period, who were compared with a control group of mothers between 20 and 29 years old who were admitted to and delivered in the same hospital during the same period. Results: Results revealed that the teenage mothers received less education than adult mothers and had higher abortion rate (16.4% vs 6.6% respectively). The teenage group received inadequate antenatal care (