Evaluating the Prevalence of Small for Gestational Age and Its Associated Risk Factors

Background: small for gestational age (sga) fetuses have birth weights below 10th percentile or abdominal circumference less than 10th percentile for gestational age objectives: this study aimed to determine the prevalence of sga and its associated risk factors in iran. patients and methods: this is a retrospective study. a total of 341 pregnant women were evaluated in fetal health care clinic of perinatology from january 2013 to january 2014. results: of 312 pregnant women, 33 had sga fetuses. the average of body mass index (bmi) was lower in sga group than non- sga. pulsatility index has no stastical meaningful between sga and nonsga groups. in gestational age had no difference between 2 groups. severe sga (< 3rd centile estimated fetal weight) was observed in 2.6% of all cases. conclusions: in conclusion, the prevalence of sga was approximately one tenth of all pregnancies. sga incidence was associated with nulliparity and more frequently seen in lower age group.