There are 4 weeks and 2-3 days normally. 52 weeks in a year, not just 48. So if you are pregnant for the exact amount of time that you should be then you are pregnant for 9months and about a week. A majority of mommy's give birth a week before to a week after their due date which still ranges in the 9 month range. But we are not pregnant for 10 months. Your body stops receiving nutrients in the womb at 40 weeks which is why they will induce at 41 weeks of you haven't given birth yet.
Dr. Birute Galdikas Blog. Overview (from Wikipedia.org): BirutÃ© Mary Galdikas, O.C., Ph.D. (born, 1946 (age 63), Wiesbaden, Germany), is a primatologist, conservationist, anthropologist, and author of several books relating to the endangered species orangutan as well as great apes and Tanjung Puting National Park.
Is Patriots Wide Receiver Julian Edelman Jewish? February 2, 2015; by Gabe Friedman