Obstetrics
In this subdiscipline:
16,756 papers
Discipline summary
Popular papers
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BACKGROUND: Previous randomized trials have shown that progesterone administration in women who previously delivered prematurely reduces the risk of recurrent premature delivery. Asymptomatic women found at midgestation to have a short cervix are at…
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OBJECTIVE: Prenatal diagnosis of open spina bifida is carried out by ultrasound examination in the second trimester of pregnancy. The diagnosis is suspected by the presence of a 'lemon-shaped' head and a 'banana-shaped' cerebellum, thought to be…
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Hypertensive disease occurs in approximately 12-22% of pregnancies, and it is directly responsible for 17.6% of maternal deaths in the United States (1,2). However, there is confusion about the terminology and classification of these disorders. This…
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This review article discusses prenatal screening and diagnosis of neural tube defects (NTD). High detection rates occur in countries operating ultrasound screening programmes because classical two-dimensional ultrasound cranial signs (lemon shaped…
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OBJECTIVES: To explore in growth-restricted fetuses the sequence of changes in aortic isthmus and ductus venosus blood flow in relation to other arterial Doppler parameters commonly used to evaluate fetal wellbeing. METHODS: Umbilical and middle…
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Normal fetal growth is a critical component of a healthy pregnancy and influences the long-term health of the offspring. However, defining normal and abnormal fetal growth has been a long-standing challenge in clinical practice and research. We…
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The developmental changes of the fetal central nervous system (CNS) during the second and third trimesters, specifically the brain, relate mostly to changes in size. However, other changes do occur in the fetal brain during the second and third…
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The human fetal venous system is well-recognized as a target for investigation in cases of circulatory compromise, and a broad spectrum of malformations affecting this system has been described. In Part I of this review, we described the normal…
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The incidence of cervical cancer has decreased more than 50% in the past 30 years because of widespread screening with cervical cytology. In 1975, the rate was 14.8 per 100,000 women in the United States; by 2006, it had been reduced to 6.5 per…
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In this overview the current knowledge of the relationship between an increased nuchal translucency (NT) measurement and fetal heart structure and function in chromosomally normal fetuses is reviewed. Relevant pathophysiological theories behind the…
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The Genetic Sonogram is an ultrasound examination done on second trimester fetuses that not only evaluates the fetus for structural malformations, but also searches for the sonographic markers of fetal Down syndrome. The main markers that comprise…
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OBJECTIVE: To test the null hypothesis that no correlation exists between transvaginal digital and the gold standard technique of transabdominal suprapubic ultrasound assessments of fetal head position during labor. A secondary objective was to…
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As the rate of obesity increases in adolescent and adult women in the United States, practitioners of obstetrics see higher rates of gestational diabetes. Recent clinical studies suggest that women with gestational diabetes have impaired pancreatic…
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Congenital urinary tract obstruction is a heterogenous condition with a varying natural history. Accurate diagnosis within the late-first and second trimesters allows for counselling of the parents and planning of multi-disciplinary care for the…
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Fetal cardiac dysrhythmias are potentially life-threatening conditions. However, intermittent extrasystoles, which are frequently encountered in clinical practice, do not require treatment. Sustained forms of brady- and tachyarrhythmias might…
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A concerted survey is presented of the existing theories for predicting the strength and modulus of particulate-filled polymeric composites. The macroscopic behaviour of particulate composites is affected by the size, shape, and the distribution of…
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OBJECTIVES: To estimate the effectiveness of cerclage according to degree of cervical length (CL) shortening. METHODS: A meta-analysis was carried out of trials of women with singleton gestations and second-trimester transvaginal sonographic CL < 25…
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OBJECTIVES: To investigate whether the prediction of postnatal outcome of fetuses with isolated congenital diaphragmatic hernia depends on the gestational age at assessment using the fetal observed to expected (O/E) lung area to head circumference…
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The purpose of this study was to estimate which strategy is the most cost-effective for the prevention of preterm birth and associated morbidity.
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Active members
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ProfessorUFPE - Universidade Federal de Pernambuco -
ProfessorInstituto de Medicina Integral Prof. Fernando Figueira - IMIP -
ProfessorRecife, Brazil -
Student (Postgraduate)Recife, Brazil -
ProfessorUniversidade Federal do Paraná