نتایج جستجو برای: prenatal development
تعداد نتایج: 1445849 فیلتر نتایج به سال:
(Abstracted from Prenatal Diagnosis 2021;41:283–300) Myelomeningocele (MMC) is a congenital malformation of the central nervous system that caused by an incomplete closure neural tube during third to fourth week embryonic development. An MMC can be seen in some cases prenatal ultrasound first trimester, although most are diagnosed second trimester.
BACKGROUND By decreasing preoperative morbidity, prenatal diagnosis could improve neurodevelopmental outcomes in infants with critical congenital heart disease. We explored the impact of prenatal diagnosis on perinatal and perioperative variables and on outcomes at 1 year of age. METHODS We analyzed a database of children enrolled in prospective studies on surgical support techniques from 198...
Background & aim: Prenatal care is a key strategy for achieving public health goals, primary healthcare objectives, and the Millennium Development Goals. The aim of this study was to investigate the factors influencing the use of prenatal care services in order to design suitable interventions and promote the use of these services. Methods:In this systematic quantitative literature review, stud...
Although evidence is accumulating that prenatal testosterone (T) compromises reproductive function in the female, the effects of excess T in utero on the postnatal development of male reproductive function has not been studied. The aim of this study was to assess the influence of prenatal T excess on age-related changes in pituitary and gonadal responsiveness to GnRH in the male sheep. We used ...
OBJECTIVE The development of genomic approaches to prenatal testing such as whole genome and exome sequencing offers the potential for a better understanding of prenatal structural anomalies in the fetus and ultimately for improved patient care and more informed reproductive decision making. In addition to the scientific and clinical challenges of achieving this, the introduction of new reprodu...
BACKGROUND Accumulating evidence indicates that prenatal maternal and fetal processes can have a lasting influence on infant and child development. Results from animal models indicate that prenatal exposure to maternal stress and stress hormones has lasting consequences for development of the offspring. Few prospective studies of human pregnancy have examined the consequences of prenatal exposu...
The gestational state is a period of particular vulnerability to diseases that affect maternal and fetal health. Stress during gestation may represent a powerful influence on maternal mental health and offspring brain plasticity and development. Here we show that the fetal transcriptome, through microRNA (miRNA) regulation, responds to prenatal stress in association with epigenetic signatures o...
Exposure to prenatal stress alters the phenotype of the offspring in adulthood. When the prenatal and adult environments do not match, these alterations may induce pathology risk. There are, however, large individual differences in the effects of prenatal stress. While some individuals seem vulnerable, others appear to be relatively resistant to its effects. In this review we discuss potential ...
Introduction: - Significant increase in usage of silver nanoparticles (AgNPs) in consumer products, has increased its exposures to human and animals. Although there are some reports regarding the effects of AgNPs on complex organisms, no report was found as to its effects on neurobehavioral ontogeny. Methods: To investigate the effects of maternal exposure to AgNPs on development of neu...
background & aim: prenatal care is a key strategy for achieving public health goals, primary healthcare objectives, and the millennium development goals. the aim of this study was to investigate the factors influencing the use of prenatal care services in order to design suitable interventions and promote the use of these services. methods:in this systematic quantitative literature review, stud...
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