2K HB Primer Surfacer. 2K HB Primer Surfacer. 2K HB Primer Surfacer is a two-component fast curing high-build urethane primer surfacer. 2K Primer Surfacer provides exceptional build and good holdout in combination with all U-TECH topcoats.
CVS is usually performed between 10 and 13 weeks from your last menstrual period. CVS may be chosen over amniocentesis because it may be performed earlier in the pregnancy. Chorionic villus sampling detects chromosome abnormalities (i.e. Down syndrome) and genetic disorders (i.e. cystic fibrosis.).
Chorionic villus sampling (CVS). In CVS, cells are taken from the placenta and used to analyze the fetal chromosomes. Typically performed in the first trimester, after 10 weeks of pregnancy, this test appears to carry a somewhat higher risk of miscarriage than second trimester amniocentesis.