Background: The incidence of Low Birth Weight (LBW) in Indonesia by 9% -30%, while in the
Hospital Prof. Dr. Margono Soekarjo LBW incidence in 2011 there 821 (22.44%) of the total
3658 deliveries. One cause of low birth weight is a factor of maternal disease such as malaria,
sexually transmitted infections, HIV or AIDS, TORCH, anemia, ante partum haemorrhage,
hypertension, severe preeclampsia, bladder infection

Objectives: To determine the incidence of pregnancy complication factors of maternal with Low
Birth Weight Infants (LBW) in hospitals Prof Dr. Margono Soekarjo in 2011. Methods: The
study is descriptive method with a retrospective approach, its population was all mothers who
delivered LBW birth in hospitals Prof. Dr. Margono Soekarjo in 2011 as many as 517 maternal,
Quata sampling techniques using sampling with a sample of 100 maternity. Secondary type of
data using the data and instruments used are the master table and analysis data using
percentage. Results: Most LBW common among women who did not have a maternal disease
factor ( 50 % ), followed LBW caused by preeclampsia ( 43 % ) , antepartum hemorrhage ( 4 % )
and the smallest hypertension ( 1 % ) . Most LBW occurs in many mothers do not have the
disease factors and gestation of prematurity ( 32 % ), and low birth weight occurred in women
with the disease preeklampsi with gestational age preterm ( 21 % ) .

Key words: factor of maternal disease, Infant with Low Birth Weight (LBW)