Infant Low Birth Weight (LBW) is a newborn whose weight at birth of less than 2500 grams (up
to 2499 grams). The cause of LBW in general because of several factors, including maternal
factors such as disease (anemia, bleeding, IMS, premature rupture of membranes, preeklampsi
and eclampsia), age, parity, socioeconomic circumstances. Fetal factors such as infection of the
fetus and multiple pregnancies, as well as environmental factors. In dr. R. Goeteng
Taroenadibrata Purbalingga, LBW in 2013 as many as 237 cases (19.47%).The study aims to
describe risk factors of low birth weight (LBW) by maternal factors in dr. R. Goeteng
Taroenadibrata Purbalingga 2013. This research is descriptive quantitative research with cross
sectional study with retrospective time approach. Sampling in this study using total sampling,
sample of this research is all infants with low birth weight based medical record dr. R. Goeteng
Taroenadibrata Purbalingga the year 2013 as many as 237 cases. Measuring instruments used
master table and type of data is secondary data. Data were analyzed using univariate. The result
showed a risk factor for low birth weight by the age of majority is 20-35 years as many as 101
respondents (65.3%), based on the parity mostly primiparas total of 133 respondents (56.1%)
and by disease or pregnancy complications mostly experienced respondent is preeclampsia were
92 respondents (38.8%). Risk factors of low birth weight (LBW) in dr. R. Goeteng
Taroenadibrata Purbalingga in 2013, mostly aged 20-35, primiparous parity and have a history
of preeclampsia.

Keywords: risk factors, Infant Low Birth Weight (LBW)