High blood glucose, also called blood sugar, can harm your baby during the first weeks of pregnancy, even before you know you are pregnant. If you have diabetes and are already pregnant, see your doctor as soon as possible to make a plan to manage your diabetes.
These are the only veins in the body that carry fresh, oxygenated blood. Blood leaves the heart from the left ventricle through the artery called the aorta. The aorta has several branches into other arteries that are carrying blood away from the heart and to the body tissues.
Two types of blood vessels carry blood throughout our bodies: The arteries carry oxygenated blood (blood that has received oxygen from the lungs) from the heart to the rest of the body. The blood then travels through the veins back to the heart and lungs, so it can receive more oxygen to be sent back to the body via the arteries. As the heart beats, you can feel blood traveling through the body at your pulse points â like the neck and the wrist â where large, blood-filled arteries run close to the surface of the skin. The blood that flows through this network of veins and arteries is called whole blood. Whole blood contains three types of blood cells: red blood cells