نتایج جستجو برای: retardation number
تعداد نتایج: 1187613 فیلتر نتایج به سال:
Wolf-Hirschhorn syndrome (WHS) is a rare chromosomal disorder caused by terminal deletion of the short arm of chromosome 4. The clinical picture includes growth retardation, severe mental retardation, characteristic “Greek helmet” like face, seizures and midline defects in the brain, heart, palate and genitalia. Recently-used molecular techniques increase the number of diagnosed cases due to th...
Caffeine crosses the placenta and causes a number of complications. This study aims to review the effect of caffeine during pregnancy. Because of ion trapping weak bases that are non-ionized and lipophilic like caffeine diffuse across the placental barrier and become ionized in the more acidic fetal blood. A number of studies have reported the effect of caffeine on pregnancy. Some of the effect...
Wolf-Hirschhorn syndrome (WHS) is a rare chromosomal disorder caused by terminal deletion of the short arm of chromosome 4. The clinical picture includes growth retardation, severe mental retardation, characteristic "Greek helmet" like face, seizures and midline defects in the brain, heart, palate and genitalia. Recently-used molecular techniques increase the number of diagnosed cases due to th...
Insulin promotes both metabolism and growth. However, it is unclear whether insulin-dependent growth is merely a result of its metabolic actions. Targeted ablation of insulin receptor (Insr) has not clarified this issue, because of early postnatal lethality. To examine this question, we generated mice with variable cellular mosaicism for null Insr alleles. Insr ablation in approximately 80% of ...
It is usually held that most individuals with childhood autism have poor prognosis. According to our knowledge, a favorable outcome of a child with childhood autism is quite rare and inspires a number of controversies. A 4-year-old boy was diagnosed with childhood autism and mild mental retardation. Interviews and findings reported by other specialists were used in the diagnosis and follow-up t...
objective mental retardation (mr) or intellectual disability is one of three chronic and disabling neurological disorders of children and adolescents. its prevalence is estimated 1-3% of the population. mr is defined as significant sub-average intellectual functioning and adaptive behavior that become detectable before the age of 18. mr may come into view before 5 years as delay in at least two...
introduction low birth weight (lbw) is the most common cause of neonatal death in developing countries. the objective of our study was to determine the prevalence and risk factors associated with low birth weight in ardabil, iranfrom 2010 to 2011.methods in a case–control study all live newborns were weighted without clothing using a standard calibrated scale. gestational age was calculated usi...
introduction: mental retardation, is one of the most common causes for referral to genetic counseling centers, and is one of the greatest challenges in health care services in the world. down syndrome is the most common chromosomal abnormalities in humans. methods: this study performed in medical genetic counseling center of welfare organization in south of iran with high consanguineous marriag...
the rate of multiple pregnancy has dramatically increased during the past decades, along with the diffusion of assisted reproduction technology (art). multiple pregnancy entail an increased risk of, at times life threatening, maternal complications i.e. pre-eclampsia, eclampsia or abruptio placenta, of serious neonatal hazards, i.e. extreme prematurity or growth retardation, as well as deleteri...
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