Monthly Archives: November 2013

Cell free DNA for Prenatal Genetic Testing

Posted on November 3, 2013 by Mark Seigel, MD

Prenatal detection of chromosome abnormalities has been available for over 40 years. Amniocentesis started in the early 1970s and then chorionic villus sampling (CVS) in the 1980s. Given that increasing maternal age is associated with a higher risk of genetic … Continue reading →

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Morning Sickness of Pregnancy

Posted on November 2, 2013 by Mark Seigel, MD

Some of my patients have nausea and vomiting of pregnancy to such an extent that they have the severe symptoms of persistent vomiting, acute starvation (with ketones in the urine) and weight loss more than 5 per cent of their … Continue reading →

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