background maternal passive smoking or exposure to environmental tobacco smoke may be a risk factor for maternal and newborn morbidity. objectives the current study aimed to assess the relationship between preterm delivery and tobacco smoke exposure in pregnant woman referring to the shabih-khani maternity hospital in kashan, iran. patients and methods an analytical retrospective cohort study w...

background: recent studies have demonstrated the high prevalence of vitamin d deficiency in the general population. pregnancy and preterm delivery are known as risk factors for vitamin d deficiency. consequently, vitamin d level in women with preterm deliveries might vary from those with term pregnancies. in this study, we aimed to compare vitamin d level in term and preterm infant–mother pairs...

OBJECTIVE The purpose of this study was to evaluate the effectiveness of antibiotic treatment of bacterial vaginosis in pregnancy to reduce preterm delivery. STUDY DESIGN We performed a meta-analysis of published, English-language, randomized, placebo-controlled clinical trials of antibiotic treatment of bacterial vaginosis in pregnant women with intact amniotic membranes at <37 weeks of gest...

introduction: preterm birth is still a major health problem throughout the world, which results in 75% of neonatal mortality. preterm labor not only inflicts financial and emotional distress, it may also lead to permanent disability. the present study was conducted to determine the related risk factors and preventive measures of preterm labor. methods: this retrospective cross-sectional study a...

OBJECTIVE It was the aim of this study to examine the potential value of cervical length at 11-13 weeks' gestation in the prediction of spontaneous preterm delivery. METHODS This was a screening study for spontaneous preterm delivery in singleton pregnancies from cervical length measured by transvaginal ultrasound at 11-13 weeks' gestation. The performance of screening for preterm delivery by...

BACKGROUND Women who have had a spontaneous preterm delivery are at greatly increased risk for preterm delivery in subsequent pregnancies. The results of several small trials have suggested that 17 alpha-hydroxyprogesterone caproate (17P) may reduce the risk of preterm delivery. METHODS We conducted a double-blind, placebo-controlled trial involving pregnant women with a documented history of...

OBJECTIVE To investigate if psychological distress during pregnancy is associated with increased risk of preterm delivery. DESIGN Prospective, population based, follow up study with repeated measures of psychological distress (general health questionnaire), based on the use of questionnaires. SETTING Antenatal care clinic and delivery ward, Aarhus University Hospital, Denmark. SUBJECTS 87...

This study aimed to evaluate dietary nutrient intake among Chinese pregnant women by comparison with Chinese Dietary Reference Intakes (DRIs) and to explore the association between dietary nutrients and preterm birth. A case-control design was conducted in Beijing with 130 preterm delivery mothers in case group and 381 term delivery mothers in control group. Information on mothers' diet was col...