stages 8-10 : antral follicles ) were isolated on the morning of proestrus or estrus and incubated for 2 h in the absence or presence of follicle-stimulating hormone ( fsh ) , luteinizing hormone ( lh ) , prolactin ( prl ) , progesterone ( p4 ) , 17 alpha-hydroxyprogesterone ( 17ohp ) , or androstenedione ( a ) .
C0045010
17
C0020387
17ohp