【Objective】 To study the birth rate,health,complications,mortality of small for gestational age (SGA) infants and influencing factors,so as to provide evidence for caring SGA infants in the department of obstetrics,pediatrics and child healthcare. 【Methods】 Data of all newborns born in Beijing Haidian Maternal and Child Health Hospital were collected for statistical analyses from January 1,2006 to December 31,2007.The 217 SGA infants were selected as the case group.The appropriate for gestational age (AGA) infants who were born on the first day of every month were randomly selected as the comparison group.The complications and maternal infections,pregnancy-induced hypertension,diabetes,anemia,premature placenta,etc.were analyzed. 【Results】 In the 22 752 infants born from 2006 to 2007,217 infants were SGA.The birth rate of SGA infants was 0.95%.The incidence rate of complications of SGA infants from high to low were:hyperbilirubinemia (31.3%),respiratory diseases (10.6%),anemia (5.5%),hypoglycemia (5.1%),digestive diseases (4.6%).The SGA infants had significantly higher incidence rate of complications than those AGA infants (P＜0.05).Pregnancy-induced hypertension,abnormality of umbilical cord,premature rupture of membranes and twin were the major factors associated with SGA.The mortality of SGA was 1.4%,higher than that of AGA (0.14%) and total newborn mortality (0.15%),with statistically significant difference(P＜0.05). 【Conclusion】 The factors such as pregnancy-induced hypertension was the major factor associated with SGA.SGA had higher incidence rate of complications and mortality,who should be paid attention in further prevention and scientific care.
Key words
small for gestational age /
birth rate /
mortality /
infant
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