نتایج جستجو برای: head circumference ratio
تعداد نتایج: 678570 فیلتر نتایج به سال:
BACKGROUND Previous research suggests that prenatal maternal stress (PNMS) impacts birth outcomes, but many human studies cannot distinguish between the effects of different types of stressors or examine effects of exposure timing on outcomes. OBJECTIVES Our goal was to determine how timing and severity of exposure during pregnancy to objective and subjective stress due to a natural disaster ...
According to the World Health Organization, birth-weight of less than 2,500 g is considered low birth-weight since below this value birth-specific infant mortality begins to rise rapidly. In Bangladesh, the prevalence of low birth-weight is unacceptably high. To screen low-birth-weight babies, simple anthropometric parameters can be used in rural areas where 80-90% of deliveries take place. A s...
Detailed fetal intracranial anatomy can be examined in utero using real-time sonography. The ability to demonstrate motion makes it possible to visualize important vascular landmarks which are helpful in identifying adjacent structures and in recognizing appropriate planes of section. The lateral ventricular system can be demonstrated and the lateral ventricular ratio can be determined in case...
The objective of this study was to determine whether stopping smoking between the first prenatal care visit and the 32nd week of pregnancy affects the smoking-associated changes in five infant anthropometric indices. The study population consisted of 15,185 births in the Swedish Medical Birth Register from 1991 and 1992. The associations between birth weight, crown-heel length, head circumferen...
OBJECTIVE We sought to study whether the association between being born small for gestational age and risk for low intellectual performance was modified by gestational age. METHODS A population-based cohort study was conducted of 352,125 boys who were born between 28 and 43 completed weeks of gestation from 1973 to 1981 in Sweden. Risk for low intellectual performance at military conscription...
In this article weight, height, and circumference of chest and head of 251 new-born and neotes who were seen in the Paed,iatric Dept. of Djorjani Hospital, Tehran, and the report of this invesUgwtion is as follow: 1. Weight-3.98% of new-born were under normal range, and 64.93% were normal, and 31.07% were above normal. 2. Height -9.56% of new-born were be-low, 84.45% were normal and 5.9...
Head circumference measurements from birth to 7 years, obtained from longitudinal data on children born between 1970 and 1977, are set against those from studies made in the United Kingdom earlier this century. A positive secular trend is shown. The children's heads were significantly larger than those born in the same locality 25 years earlier. Growth charts should be updated, as necessary, wi...
Head circumference is used together with other measures as a proxy for central nervous system damage in the diagnosis of fetal alcohol spectrum disorders, yet the relationship between head circumference and brain volume has not been investigated in this population. The objective of this study is to characterize the relationship between head circumference, brain volume and cognitive performance ...
Data from 10 sites of the NICHD/NIDCD Collaborative Programs of Excellence in Autism were combined to study the distribution of head circumference and relationship to demographic and clinical variables. Three hundred thirty-eight probands with autism-spectrum disorder (ASD) including 208 probands with autism were studied along with 147 parents, 149 siblings, and typically developing controls. A...
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