Tincture of cannabis. Tincture of cannabis, sometimes known as green dragon, is an alcoholic extract of cannabis. Cannabis tinctures are used in the production of specific extracts, like Nabiximols. Contents.
The Rh factor test is done during pregnancy to identify a woman's Rh factor. In some cases, the baby's father might need an Rh factor test, too. During pregnancy, problems can occur if you're Rh negative and the baby you're carrying is Rh positive. Usually, your blood does not mix with your baby's blood during pregnancy.
How common is the Rh-negative factor? More than 85% of people are Rh positive. The Rh factor does not affect a personâs general health. Problems can occur during pregnancy when the babyâs blood has the Rh factor and the motherâs blood does not, however it can be prevented in most cases with the medication called immunoglobulin (RhIg).