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Optimise genetic screening of human embryos using higher resolution techniques
Time Perspective: Prospective
University Hospital Leuven, Catholic University Leuven
Active, not recruiting
Katholieke Universiteit Leuven
Published on BioPortfolio: 2010-07-15T17:00:00-0400
There is a considerable concern about the effects of controlled ovarian hyperstimulation (COH) for In Vitro Fertilization- Embryo Transfer (IVF-ET) on embryo quality and on the incidence o...
As women age the ovarian response and pregnancy rate are reduced while the rate of chromosomal abnormalities in the embryos is increased. Oocyte maturation, accurate chromosomal segregatio...
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In January 2007, the American Congress of Obstetricians and Gynecologists (ACOG) revised its guidelines that now recommend physicians are ethically obligated to fully inform all pregnant w...
This study aims to validate a non-invasive method of chromosomal screening (NICS), based on the Multiple Annealing and Looping Based Amplification Cycles- Next-generation Sequencing (MALBA...
The aim of this study is to evaluate the frequency and nature of chromosomal abnormalities in Moroccan couples with recurrent spontaneous miscarriage (RSM). In addition, the data were compared with th...
Chromosomal abnormalities are a major cause of infertility and reproductive problems in equids. Nowadays, their detection is rising due to the use of new diagnostic tools based on molecular markers in...
The purpose of our study was to compare the incidence of chromosomal abnormalities of fetuses with isolated fetal ventriculomegaly (VM) to that of fetuses with the sole risk factor of being born to mo...
From 1992 to 2018, cytogenetic analyses were successfully performed to explore the chromosomal abnormalities of 729 patients, who utilised a pioneering counselling service in the city of Passo Fundo i...
To explore the chromosomal analysis for fetuses with nasal bone absence or hypoplasia. This was a retrospective study on 29 pregnancies nasal bone absence or hypoplasia which underwent prenatal diagn...
Transmission of gene defects or chromosomal aberrations/abnormalities which are expressed in extreme variation in the structure or function of the eye. These may be evident at birth, but may be manifested later with progression of the disorder.
The premature cessation of menses (MENSTRUATION) when the last menstrual period occurs in a woman under the age of 40. It is due to the depletion of OVARIAN FOLLICLES. Premature MENOPAUSE can be caused by diseases; OVARIECTOMY; RADIATION; chemicals; and chromosomal abnormalities.
A condition of abnormally high AMNIOTIC FLUID volume, such as greater than 2,000 ml in the LAST TRIMESTER and usually diagnosed by ultrasonographic criteria (AMNIOTIC FLUID INDEX). It is associated with maternal DIABETES MELLITUS; MULTIPLE PREGNANCY; CHROMOSOMAL DISORDERS; and congenital abnormalities.
Nucleoproteins, which in contrast to HISTONES, are acid insoluble. They are involved in chromosomal functions; e.g. they bind selectively to DNA, stimulate transcription resulting in tissue-specific RNA synthesis and undergo specific changes in response to various hormones or phytomitogens.
Congenital abnormalities caused by medicinal substances or drugs of abuse given to or taken by the mother, or to which she is inadvertently exposed during the manufacture of such substances. The concept excludes abnormalities resulting from exposure to non-medicinal chemicals in the environment.