the significant drop in progesterone ( delta 4p ) but rise in 20 alpha-dihydroprogesterone ( 20 alpha-dhp ) occurred 24 hr after treatment in psp rats treated with both-end open silastic-pvp-pgf2 alpha tube , whereas similar changes in delta 4p and 20 alpha-dhp took place 48-72 hr after the deposition of a one-end open silastic-pvp pgf2 alpha tube .
C0033308
progesterone
C0012311
20 alpha-dihydroprogesterone