Results 11 to 20 of about 18,587 (264)
Cytogenetic abnormalities in a sample of females with premature ovarian failure
Background Premature ovarian failure (POF) is a complex heterogeneous disorder characterized by the triad of amenorrhea, hypergonadotropinism, and hypoestrogenism in women before the expected age of menopause.
Noha M. Issa, Ghada M. Elhady
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Background Chromosomal abnormalities represent an important cause of human infertility. Little is known about the prevalence of chromosomal abnormalities among Egyptian couples with infertility.
Faeza El-Dahtory +3 more
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Cytogenetic Findings in Mentally Retarded Iranian Patients
We conducted a cytogenetic study on 865 individuals with idiopathic mental retardation (MR) who were admitted to the Cytogenetics Department of the Iran Blood Transfusion Organisation (IBTO) Research Centre, Tehran, Iran; these were performed on blood ...
Nasiri F. +5 more
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Insect Sex Determination Manipulated by Their Endosymbionts: Incidences, Mechanisms and Implications
The sex-determining systems of arthropods are surprisingly diverse. Some species have male or female heterogametic sex chromosomes while other species do not have sex chromosomes.
Masaya Watanabe +2 more
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Prenatal Diagnosis and Pregnancy Outcome Analysis of High-risk Fetuses Suggested by Noninvasive Prenatal Screening [PDF]
Background Noninvasive prenatal screening is more effective in screening for fetal aneuploidy than does traditional serological screening. We attempted to analyze the real-world data about the positive predictive value (PPV) for chromosome aneuploidy ...
Yan LUO, Bingyi ZHAO, Yanmei SUN, Haishen TIAN, Yali LI, Yanshang ZHANG, Jian GAO, Zhiqiang CUI
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OBJECTIVES: Structural chromosomal aberrations in blood lymphocytes represent a biomarker for cellular damage caused by genotoxic carcinogens and are an indicator of increased cancer risk.
Ludovit Musak +9 more
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Objective: This study investigated the influence of sex and ageing on chromosomal damage and the role of life-style habits on the frequency of chromosomal aberrations (CAs) in peripheral blood lymphocytes (PBLs) of healthy Bosnian subjects. Materials and
Hilada Nefic, Jasmin Musanovic
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Classical and molecular cytogenetic studies in some cattle breeds
Numerical autosome aberrations have a few importance in the animal breeding since the carriers show generally abnormal body conformation. For this reason, these abnormalities are systematically eliminated from the animal population by the breeders during
G. Succi +7 more
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Resúmenes de la Literatura Actual
Intervalo entre la conizacion cervical y la histerectomía Un método enzimático para el diagnostico de la mola hidatidiforme Carcinoma de la vulva Fenotipo de Turner con cromosomas sexuales normales Phenotypic aspects of sex chromosome aberrations La
Federación Colombiana de Obstetricia y Ginecología
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45,X/46,XY Mosaicism in an 18-year-old Girl with Primary Amenorrhea: A Case Report
45,X/46,XY mosaicism is a rare disorder with a wide heterogeneity in its manifestations. An 18-year-old girl was referred to the endocrine clinic for investigation of her primary amenorrhea. Clinical examination was unremarkable.
Eunice Yi Chwen Lau, Yin Khet Fung
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