Parishes in Louisiana. Louisiana is divided into 64 parishes, in the same way that 48 of the other states of the U.S. are divided into counties (Alaska is divided into boroughs and census areas). Types of local government. Parishes: Parishes are Louisiana's equivalent to counties in most states.
The types of tests and how they work are reviewed in the following links: 1  The Genetics of Prader-Willi Syndrome: An Explanation for the Rest of Us. 2  Gene Tests-Gene Clinics: Prader-Willi Syndrome has lots of fairly academic information on inheritance, genes, genetic testing, and prenatal testing.
Thalassemia and Pregnancy: Prenatal Testing. Prenatal testing for thalassemia can be done when a woman is 11 weeks pregnent using chorionic villi sampling (CVS). CVS involves the removal of a tiny piece of the placenta, which will then be tested.Prenatal testing can also be done with an amniocentesis when a woman is 16 weeks pregnant.f a women or her spouse has a family history of thalassemia, they may want to consider genetic testing before becoming pregnant. Blood tests and family genetic studies can show whether an individual has thalassemia or is a carrier of thalassemia trait.