Chorionic villus sampling is a prenatal diagnostic test performed for prenatal genetic testing involving a biopsy of placental tissue between 10 to 13 weeks gestation. The tissue harvested is the ...

Researchers in the Netherlands believe they are on the verge of developing a simple, prenatal blood test that would be able to detect accurately chromosomal abnormalities in the developing fetus. At ...

A medical procedure in which a catheter is inserted through the vagina and cervix to obtain a small sample of tissue from the edge of the chorion to diagnose possible defects of the developing foetus.

A research team from Odense University Hospital and the University of Southern Denmark has developed an innovative screening test. With a blood sample from the expectant mother, they can scrutinize ...

Three months into her pregnancy, the woman in my office worried that her fetus might have Down syndrome. She wanted a definitive diagnosis, so I referred her to a doctor who inserted a 3 1/2-inch ...

A proposed change to the type of prenatal genetic testing offered to couples in the UK could result in certain chromosome abnormalities being missed, suggests a study published online today (Thursday ...

Purpose: This study was designed to evaluate the feasibility of using a targeted array-CGH strategy for prenatal diagnosis of genomic imbalances in a clinical setting of current pregnancies. Methods: ...

Purpose: Current diagnostic methods for chromosomal abnormalities rely mainly on karyotyping and occasionally fluorescent in situ hybridization or quantitative polymerase chain reaction. We describe ...