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.
Other highlights of the third trimester. 1  By the end of the trimester, your baby has eyelashes and eyebrows and may have a full head of hair. Or, he or she may be born bald. 2  The white waxy substance and fine hair that covered and protected your baby's skin in the second trimester has begun to fall off.