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.
Blood returns to the heart from the lungs via the pulmonary veins. The blood goes into the left atrium. When the left atrium contracts, blood travels through a valve into the left ventricle.The left ventricle is a very important chamber because it pumps blood through a valve and into the aorta. The aorta-the main artery of the body-receives all the blood that the heart pumps out and sends it to the rest of the body.lood returns to the heart from the lungs via the pulmonary veins. The blood goes into the left atrium. When the left atrium contracts, blood travels through a valve into the left ventricle.