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.
The second trimester is weeks 13 to 27, and the third trimester starts about 28 weeks and lasts until birth. This slide show will discuss what occurs to both the mother and baby during each trimester. First Trimester