Degree and frequency of contraception among teenagers in Viwandani Nairobi, Kenya was carried out and data collected between 28th November, 2009 and 1st December, 2009. This research was carried out with the main objective of investigating the Level of knowledge, attitude and management on contraceptives among teenagers in Viwandani, Nairobi, Kenya 104 teens aged 12-20 from Viwandani slum, Nairobi East District of Nairobi Province, were surveyed with a questionnaire they completed. This slum recorded that 80% of teenage respondents had come across at least one abortion case over the last one year prior the day of interview and 52% of the respondent supported abortion. It is recommended that Family planning awareness programs that core focus on males' teenagers and females be put in place.