Anemia is one of the four nutrion problem in Indonesia and most of anemia is closely associated to
iron deficiency called iron deficiency anemia (IDA). Study in USA among adolesents showed that the
prevalent of IDA is higher in overweight (9.1%) than normal weight (3.1%). Another study in
Switzerland among teenage female students showed that the fat deposit in adipose tissue may
decrease iron absoption. The aim of this study is to know the relationship between overweight and
haemoglobin (Hb) level using cross sectional.The female subjects were selected purposively with
criteria as they were overweight (BMI >= 25) and registered as female students at SMAN 4, SMAN 25
and SMKN 38 in Jakarta. The overweight status were determined using Body Mass Index and finally
35 female students were filling the criteria and willing to participate. The correlation Person test was
used to see the realtionship between overweight and Hb level.The results showed that most of the
subjects (82.9%) were categorized as obese and most of them were in the aged of 16 and 17 years
(37.1% each). About 80% of the students had a normal haemoglobin level, More than half (88.6%) had
a normal mentruation period. However, the Hb level less than normal (