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.
The blood moves around the body in the circulatory system. This is made up of blood vessels (tubes) called arteries, veins and capillaries. The blood keeps moving through these blood vessels because it is pumped by the heart. Arteries carry blood that is full of oxygen from the heart to all parts of the body.As the arteries get further and further away from the heart, they get smaller and smaller. Eventually they turn into capillaries.he blood keeps moving through these blood vessels because it is pumped by the heart. Arteries carry blood that is full of oxygen from the heart to all parts of the body. As the arteries get further and further away from the heart, they get smaller and smaller. Eventually they turn into capillaries.