<prompt> At 8 weeks postpaum, uterus should weigh about100 grams500 grams700 grams900 grams  <response>: During pregnancy, uterus weighs about 1000g At the end of 6weeks ,its measurement is almost similar to the prepregnant state which is about 60g . Decrease in size of uterus is seen with serial MRI Ref: Dutta Obs 9e pg 137. 