نتایج جستجو برای: teratogens
تعداد نتایج: 628 فیلتر نتایج به سال:
A preterm (32wks, 1.4 kg) female baby, born to a multigravida mother by emergency section in a tertiary care center (no history of consanguinity, exposure to teratogens, radiation, trauma, smoking or alcohol intake during pregnancy), presented with amputated right leg attached with a skin tag to the remaining part of right lower limb. No other defects were present. Ultrasound abdomen and craniu...
tragedy and the discovery of teratogens, the legalization of abortion, and growing attention to the problems of women's alcoholism following the women's liberation movement. This volume amply lives up to its aim of exploring the intertwined relations between child health and society from the late nineteenth century to the present. It forms a significant contribution to the history of medicine a...
BACKGROUND We aimed to investigate the risk factors associated with unintended pregnancies as well as the association between unintended pregnancies and potential teratogenic exposures. METHODS A cross-sectional survey was performed among women attending the Maternity School of the Samsung Cheil Hospital and Women's Health Care Center in Seoul, Korea. Demographic data, obstetric history, soci...
Inhibition of calcification in embryonic bone rudiments was studied in the presence of several tetracyclines at three different concentrations. Different criteria for calcification and different concentrations of tetracyclines yielded parallel results and showed significant differences in the inhibitory action of the various compounds. The clear-cut results indicate that the test-system that wa...
change in the crescent-shaped cap of the distal phalanx are the two main candidate pathogenetic mechanisms that have been proposed.[6] Exposure to teratogens, especially antiepileptic drugs in utero, in mothers with epoxide hydrolase deficiency is another supposed cause of COIF. This probably could explain our patient’s predicament, as her mother had consumed an abortifacient when our patient w...
The study of the influence selenium on regeneration and fecundity crab Sesarma boulengeri Calman has been conducted. results demonstrated: effect walking legs S. Calman. Morphology regenerated appendage was different from control specimen. speed growth in bud lower than it depended size class crab. Regeneration index (R) higher small crabs large ones single autotomy double autotomy. Fecundity v...
A 2760 g female infant was born at term to a gravida 6 para 5 mother after a normal pregnancy with no history of exposure to alcohol , teratogens , or ionizing radiation. Abnormal findings on physical examination were slight hypertonicity , respiratory distress in room air, and microcephaly (head circumference < -3 SD). The hard palate was intact. The anterior and posterior fontanelles were sma...
Environmental teratogenic factors (e.g. alcohol) are preventable. We focus our analysis on human teratogenic drugs which are not used frequently during pregnancy. The previous human teratogenic studies had serious methodological problems, e.g. the first trimester concept is outdated because environmental teratogens cannot induce congenital abnormalities in the first month of gestation. In addit...
A single stillborn female with craniofacial, abdominal, and central nervous system malformations was exposed to reserpine during the first six weeks of gestation. Parallels between the malformations present in this infant and those induced in rats through exposure to reserpine at analogous periods of gestation suggest that reserpine may pose specific risks for malformations in some pregnancies.
Normal development of the human kidney and lower urinary tract is a highly complex process that not uncommonly goes wrong. Furthermore, congenital malformations of these structures, involving absent, immature, or poorly-grown organs, account for most young children with long-term kidney failure who require dialysis and transplantation. Evidence is emerging that some of these individuals have mu...
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