background: preterm labor (ptl) is the main challenge in prenatal health care, leads to high rate of mortality and  increases cost of health services. to evaluate the preterm delivery (ptd)?related risk factors, we decided to measure nitrite oxide metabolites and cervical length (cl) as the diagnostic and predictive tools for ptd in women and response to tocolytic therapy.materials and methods:...

introduction preterm birth is still a major health problem throughout the world. preterm birth results in 75% of neonatal mortality. we sought to identify risk factors which cause preterm birth. materials and methods this cross-sectional study assessed all preterm neonates born in asali hospital in khorram abad (either by nvd or c/s) during the first 6 months of 2007. sampling method was census...

at present, many drugs are used for inhibition of uterine contractions, but the proportions of preterm labors are increasing. although magnesium sulfate is the most commonly prescribed parenteral tocolytic agent, but it’s optimal use has yet to be delineated. in this study a high-dose protocol for magnesium sulfate tocolytic therapy was compared with a low-dose regimen. one hundred patients adm...

background and objective: preterm birth occurs in 8% to 11% of all pregnancies and is responsible for 75% to 80% of all neonatal deaths. cytokines may be involved in the etiology of preterm birth through their stimulation of prostaglandin synthesis. cytokines may be released intocervicovaginal fluid during the breakdown of the chorio-decidual adhesion or from an inflammatory reaction in the sam...

preterm birth means the birth before thirty seven week of pregnancy that causes a lot of complications for the baby. variety factors are suggested to be involved in disease. in this study, we decided to evaluate haptoglobin (hp) phenotypes association with clinical features of patients suffered from premature delivery to understand better the possible correlation of genetic and clinical feature...

objective: the aim of this study was to estimate the frequency of preterm birth (ptb) and premature rapture of membranes (prom) and their associations with maternal factors. material and methods: this cross sectional study was carried out at akbar-abadi hospital in tehran during january 2009-aprile 2010. four hundred sixty six primiparous women with gestational age more than 20 weeks and single...

at the present, many drugs are used for inhibition of uterine contractions, but the proportions of preterm labors are increasing. although magnesium sulfate is the most commonly prescribed parenteral tocolytic agent, but its optimal use has yet to be delineated. in this study a high-dose protocol for magnesium sulfate tocolytic therapy was compared with a low-dose regimen. one-hundred patients ...

background & aim: preterm delivery is one of the most important problems in pregnancy, as it is the primary cause of 75% of prenatal mortality and morbidities. this study aimed to determine the prevalence and risk factors for preterm delivery in tehran, iran. methods:in this cross-sectional study performed in eight random hospitals from five different regions of tehran (north, south, west, east...

conclusions there is no statistically significant relationship between preterm delivery and type of sludge. results the prevalence of preterm delivery was 14/3%. the frequencies of term delivery in mothers with dense, light and no sludge were 78/6%, 82/1% and 96/4 % respectively, and for preterm delivery they were 21/4%, 17/9% and 3/6% respectively. but there was no statistically significant re...