J Med Assoc Thai 2011; 94 (2):139

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Obstetric Outcomes of Teenage Pimigravida in Su-ngai Kolok Hospital, Narathiwat, Thailand
Pattanapisalsak C Mail

Background: Teenage primigravida cause high morbidity and mortality to mother and fetus.
Objective: To compare obstetric outcomes of teenage pregnancy with reproductive-age pregnancy (20-34 years), with a focuson the risk of low birth weight and anemia.
Material and Method: A historical cohort study of 2,922 primigravida women who gave birth between January 2005 andDecember 2009 at Sungaikolok Hospital Narathiwat was done. The patients were divided into two groups to compare theobstetric outcomes. The study group was composed of 796 cases of teenage pregnancies (< 20 years) and the control groupwas composed of 2,126 cases of reproductive-age pregnancies (20-34 years).
Results: Twenty-seven percent of these patients were teenage pregnancies. The teenage group received less adequate antenatalcare (<4 visits), and less education than the reproductive group (p < 0.05). The study group had a significantly higherincidence of anemia (23.6%) low birth weight (16.3%), and pre-term (10.3%) than the reproductive control group, (p <0.05).After controlling for other factors by logistic regressing analysis, poor antenatal care (<4 visits) was significantlyassociated with low birth weight and anemia in teenage pregnancy with an odds ratio of 1.9 and 1.5 respectively. Privateantenatal care was significantly associated with lower anemia (odds ratio 0.7) and low birth weight (odds ratio 0.6).
Conclusion: Teenage pregnant women had less education and antenatal care than the reproductive-age group. Teenagepregnancy had an increased risk of adverse obstetric outcomes, especially, low birth weight and anemia.
Keywords: Teenage pregnancy, Teenage mother, Obstetric outcome

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