<prompt> Levels of progesterone indicating unble pregnancy and ble intrauterine pregnancy are:5 ngml; 20 ngml10 ngml; 20 ngml5 ngml; 50 ngml10 ngml; 50 ngml  <response>: Serum progesterone concentration 5 ngml suggest a dying pregnancy Level or 20 ngml suppo the diagnosis of a healthy pregnancy. Ref: Williams Obs 24e pg 355. 