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.).
Genetic testing is also used to determine the sex of a baby before birth. The two most common invasive methods are: Amniocentesis: Generally done after week 16 but can be done slightly earlier. Chorionic Villus Sampling (CVS): Can be a done between the tenth and the twelfth week of pregnancy.