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 science shows that based on gestational age, the fetus is not capable of feeling pain until the third trimester, said Kate Connors, a spokesperson for ACOG. The third trimester begins at about 27 weeks of pregnancy. To find out more, Live Science dug into the research and spoke with a leading expert on fetal pain. Here's a look at what we found.