Calcification of the intracranial arteries associated with primary atherosclerosis is more frequent in elderly people. The prevalence of intracranial artery calcification are: internal carotid artery: ~60%. vertebral artery ~20%.
It may feel as big as a whale as you begin your third trimester of pregnancy (which will last from week 27 to the end of your pregnancy)âlike you canât get any biggerâbut trust me; youâre about to! As your belly swells; your little one grows to between 6 and 9 pounds during this time.
As you enter your second trimester of pregnancy, the morning sickness and fatigue that plagued you during the last three months should be fading, leaving you feeling more energetic and like your old self again. The second trimester is, for many women, the easiest three months of pregnancy. Take the time now, while you're feeling better and your energy is up, to start planning for your baby's arrival. During the second trimester, your baby is growing quickly. Between your 18th and 22nd week of pregnancy you'll have an ultrasound so your doctor can see how your baby is progressing. You also can learn the sex of your baby, unless you'd rather be surprised.