Summary and conclusionAdolescence represents a window of opportunity to prepare for a healthy adult life. World’s adolescents population, 1200 million persons age from 10-19 years of a 19% of total world population. Egyptian adolescents aged 10-19 years represent 22% of the EgToday’s girls are the future mothers, they are in need of proper support, and care to achieve maximum preparation for motherhood capabilities and optimum reproduction. So the nutritional status prior to conception has a significant impact on the health ofThe aim of the study was to identify the impact of dietary knowledge and habits among secondary girls on their nutritional status.The total sample size of the study was 341 students from the first year of the secondary school girls at Zagazig City.A pilot study was performed for 20 students and necessary modification was done. This number of students excluded from the sample.The duration of data collection was 4 months, starting from November 2003 to the end of February 2004.A structure questionnaire composed of 3 parts was constructed to collect the following data: -9- More than one third of late booking mothers didn’t come for antenatal care as a result of ignorance about the importance of antenatal care .10- More than half of both groups have got benefitfrom limited cost .While ( 36% ) of both groupshave got benefit from checkup ,and physicalexamination and ( 23.3% ) of late booking motherstook vaccination only .11- Half of early booking didn’t decide about the placeof delivery .