endometrial pgr in both cytoplasmic and nuclear compartments decreased significantly ( p less than 0.001 ) from day 2 to day 6 post-ovulation in both groups , but in fertile cycle , absolute levels of nuclear pgr remained significantly higher ( p less than 0.05 ) on days 4 , 5 and 6 of gestation , er concentrations , both total ( p less than 0.02 ) , as well as cytoplasmic ( p less than 0.01 ) declined significantly in secretory phase of normal menstrual cycle while nuclear er levels remained unchanged .
C0010834
cytoplasmic
C0206588
nuclear er