بررسي شيوع عوامل خطر در زايمان زودرس

Risk Factors in Prematurity

Introduction: Preterm Labor, which is defined from 22 to 37 weeks of pregnancy, is the cause of 75% of fetal mortality and morbidity. The survivals carry the risk of cerebral palzy, visual and audio deficiencies and respiratory disease. The post neonatol cost is considerably higher than usual. The main aim of this study is to clarify the incidence and risk factors of preterm labor which intern can help to discover the ways of control its accurance. The impacts are to increase the health standards in the society. Patients and Methods: The type of study is cross sectional as the total number of preterm labor "within the periods of 1/10178 to 30/3/79" is 257, therefore to study risk factor, 293 women were considered as control groups. The results show that lack of prenatal care, multifetal pregnancy, the history of infertility, use of ovulation induction, breech presentation, fetal growth restriction, history of preterm labor, PIH, oligo hydroamnious and hydroamnious, male gender, iUFD and low apgar have meaningfully relation with preterm labor. Finally it is conculded that preterm labor is multifactorial event. Knowing the risk factors, proper women cooperation and advancing their knowledge can decrease the rate of peterm labor.