نتایج جستجو برای: normal fetus
تعداد نتایج: 580721 فیلتر نتایج به سال:
Objective: To report a case of an intraabdominal cyst of a 19 weeks’ fetus which was diagnosed in a 25-year-old primigravida who was referred for routine ultrasonographic examination Case: Bmode sonography revealed an anechoic, multilocular, septated cystic mass located lower right abdominal section, beneath the liver whereas color Doppler examination revealed no remarkable blood flow. The 23 w...
The placenta is located between the maternal body and the fetus and is an organ indispensable for the fetus, with the combined functions of endocrine gland, lung, kidney, liver and digestive tract, but the mechanism of these functions is still obscure in many points. In the present study, electronmicroscopic observa tions were undertaken to study the mode of transition of substances through the...
Since the sources from which humans acquire Campylobacter enteritis are only partially known, we studied the frequency of carriage of Campylobacter fetus subsp. jejuni in migratory waterfowl. Cecal contents of various species of wild ducks were cultured on selective media that contained antibiotics to inhibit normal flora. Thirty-five percent of the 445 ducks cultured harbored C. fetus subsp. j...
Labor is a physiological event involving a sequential, integrated set of changes within the myometrium, deciduas, and uterine cervix that occur gradually over a period of days to weeks. Biochemical connective tissue changes in the uterine cervix appear to precede uterine contractions and cervical dilation, and all of these events usually occur before rupture of the fetal membranes. In other wor...
The time to peak velocity was measured by Doppler echocardiography in the pulmonary artery in 102 normal human fetuses (gestational age 16-30 weeks). Time to peak velocity in the aorta was measured in 72. In 58 both measurements could be made in the same fetus. The time to peak velocity was shorter in the pulmonary artery than in the aorta. This difference was statistically significant. This su...
A current difficulty with the prenatal diagnosis of inborn errors of metabolism is the relatively large numbers of cultured amniotic fluid cells necessary for most enzyme assays. Faced recently with the problem of diagnosing the fetus in a family at risk for recurrence of argininosuccinic aciduria, a rare autosomal recessive disease characterized biochemically by a deficiency of argininosuccina...
Labor is a physiological event involving a sequential, integrated set of changes within the myometrium, deciduas, and uterine cervix that occur gradually over a period of days to weeks. Biochemical connective tissue changes in the uterine cervix appear to precede uterine contractions and cervical dilation, and all of these events usually occur before rupture of the fetal membranes. In other wor...
Vitamins are essential for the proper functioning of body, and Folic Acid, also known as Vitamin B9, has many benefits body. Acid contributes to normal development fetus, preventing risk fetal birth defects, mainly represented by neural tube defects orofacial clefts. At same time, deficiency can cause serious health problems. That is why it necessary know roles in symptoms deficiency, but what ...
The aim of intrapartum continuous electronic fetal monitoring using a cardiotocograph (CTG) is to identify a fetus exposed to intrapartum hypoxic insults so that timely and appropriate action could be instituted to improve perinatal outcome. Features observed on a CTG trace reflect the functioning of somatic and autonomic nervous systems and the fetal response to hypoxic or mechanical insults d...
Intrauterine growth restriction (IUGR) is commonly defined as an estimated fetal weight of less than the 10th percentile. While 70% of these are small for normal reasons and not at risk, 30% are pathologically small at risk for numerous complications including fetal death. In the late preterm IUGR fetus (>34 weeks), prematurity risks less and the risk of fetal demise becomes the primary concern...
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