Hubungan Kematangan Reproduksi Dan Usia Saat Melahirkan Dengan Kejadian Bayi Berat Lahir Rendah (Bblr) Di Indonesia Tahun 2010

Background: Infant Low Birth Weight (LBW) is a major factor in increased mortality, morbidity and disability neonatal infants and children. One of biological characteristics of mothers that increases the risk of low birth weight is young gynecological age (reproductive maturity). Objective: This study aims to determine the relationship of reproductive maturity and maternal age at delivery with Infant LBW. Methods: The study design was cross-sectional with the outcome (LBW) clearly preceded by exposure (condition during pregnancy). Sample was 1562 subjects of Riskesdas 2010 namely married with first child. Birth weight data recorded in the health record book/KMS/KIA books. Multivariate analysis done by Cox regression. Result: Overall incidence of LBW was 6.1 percent. There were 11.8 percent of LBW with immaturity reproduction and 8.4 percent in women at risk on maternal age (<20 years)). The final result of multivariate analysis showed that women with immaturity reproduction and at risk on maternal age were 2.43 times having low birth weight baby compared to those with maturity reproduction and safe age of childbirth, controlled by education, iron tablet consumption, gestational age at first visit and number of ANC visits. Conclusions: Immaturity reproduction and at risk maternal age affect the incidence of LBW in Indonesia in 2010 adjusted by education, iron tablet consumption, gestational age at first visit and the number of ANC visits