VA Â» Office of Public and Intergovernmental Affairs Â» History of Veterans Day. World War I â known at the time as âThe Great Warâ - officially ended when the Treaty of Versailles was signed on June 28, 1919, in the Palace of Versailles outside the town of Versailles, France.
If your blood mixes with Rh-positive blood, your immune system will react to the Rh factor by making antibodies to destroy it. This immune system response is called Rh sensitization. Rh sensitization can occur during pregnancy if you are Rh-negative and pregnant with a developing baby (fetus) who has Rh-positive blood.
Blood test for Rh status and antibody screen. Find out why you need to know your Rh-status during pregnancy and what will happen if you are Rh-negative. Nuchal translucency scan (NT scan). The nuchal translucency scan is a non-invasive prenatal test in the first trimester. Find out what it can tell you about your b...