Text Box: ANALYSIS OF CAUSES OF 2623 CASES OF LOW BIRTH WEIGHT INFANTS DURNING 10 YEARS AND THEIR PREVENTIVE MEASURES Yu XD, Ma. JS Jiamusi MCH Institute, Heilongjiang, China Objective: By analysis of 2623 Cases By analysis of 2623 cases of low birth weight infants. To search.for the offictive way of prevention is inportant event to rednce the incidence.and birth rate and the deathrate of low birth weight infant. Methods: We have surveyed the perinatal in fants who were delivered in our nospital during the recent 10 years, and statistically analyze and deal with the situation. Result: The number amounts to 33190 totally, the inciderce of the low birth weight infant is 70.08% (2623cases), the mortelity ratc is 183, 76%, accauntiug for 61.40% of the dead perinatal infants, is 18.5multiples of the narmal termfetus (P≤0.005, X2=3161.60). In the tow birth weight infant, mature small-for –date infant is 56, 46%, premature infant is 43.53%, whose in cidencc of premature infant is 60.92%, Premature low birth weight amounts for 56.48% of the sane duratim of pregrany mature small-for –date infant is 4.57% of the same duratim of pregnancy. The mother’s comlication is themain pathology, auounting for 32.96%, hypertension of riegnany firstly, plural pregnany secondly, the following ones are abnormality, placenta, umbilical cord, premature rupture of membrane etc. Conclusion: To aim at the pathobogy, we adopt a serise of measures “To strength the pregnancy tealth, prevent and care pregnant complicatim, prevent premature delivery. Pay attenton to plural pregnany heacth, develop preratal diagnosis, the abnomal infant should be stop pregnacy the sooner the heffer. Through stentific eguipment, we should sooner find the abnomal change of placenta, unbilical cord, and prevent the prematur rapture of membrarce. The above measures are important ovents to reduce the inciderce and the death rate of the low birth weight infant. 1119