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...

OBJECTIVE The aim of this study is to describe the bacterial flora of women in preterm labor with or without premature rupture of membranes. METHODS Retrospective studies of 239 patients with preterm labor were performed. RESULTS One hundred and twenty-three of 239 patients with preterm labor (51.5%) had bacterial vaginosis. Seventy of the 239 patients with preterm labor (29.3%) developed p...

objective: threatened miscarriage is a common complication in pregnancy that leads to adverse pregnancy outcomes such as preterm labor. this study aimed to compare the vaginal progesterone (cyclogest) versus 17-alpha-hydroxyprogesterone caproate (proluton) on preventing preterm labor in pregnant women with threatened abortion at less than 34 weeks’ gestational age. materials and methods: this b...

The objective of this study was to identify possible changes in mRNA and protein expression of high-mobility group box protein 1 (HMGB1) and its suggested receptors - receptor for advanced glycation end-products (RAGE) and Toll-like receptor 2 (TLR2) and TLR4 - in human cervix during pregnancy, term and preterm labor. Cervical biopsies were taken from 58 women: 20 at preterm labor, 24 at term l...

prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...

OBJECTIVE Preterm labor is one of the common causes of prenatal morbidity and mortality. With considering the importance of preterm labor and lack of sufficient studies about the relationship between preterm labor and some factors such as cigarette smoking and opiate-using, the present study was designed. METHODS We performed this descriptive-analytic study on 988 pregnant women referring to ...

aim of this study is to determine the risk of adverse pregnancy outcome by maternal serum alpha-fetoprotein (msafp) level. we followed 295 pregnant women from msafp screening in the 14th to 22th week of gestation until the end of pregnancy and information on pregnancy outcome have been recorded in questionnaires. of 295 pregnant women, 270 had term labor and 25 had preterm labor. the frequencie...

background: spontaneous preterm labor is one of the common obstetrics problems causing several physical, psychological and economical outcomes. although due to these outcomes and the efficacy of cares for decreasing them, preterm labor screening is cost-effective and it is still one of the challenging issues in obstetrics. objective: in this study preterm labor screening by using cervical trans...

background : the measuring serum ferritin level as a sensitive inflammatory biomarker might effectively predict preterm delivery, but the power and the best cut-off point of this biomarker for predicting preterm labor in iranian population has not been substantially identified. our purpose was to determine what concentrations of serum ferritin could identify patients at risk for preterm deliver...

OBJECTIVE To describe expectant women's experiences with the onset of preterm labor. DESIGN Qualitative, using grounded theory methods. SETTING Southwestern tertiary women's hospital. PARTICIPANTS Thirty pregnant women who were less than 35 weeks gestation, had experienced preterm labor within the past 7 days, and had no previous experience with preterm labor. DATA SOURCE Taped and tran...