Antibody:	anti-active-beta-catenin
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS28: uterus	Present		2A

Structure	Level	Pattern	Image	Note
TS28: uterus stroma	Weak	Regionally restricted	2B	Lowest levels of expression in stromal cells.

Structure	Level	Pattern	Image	Note
TS28: uterus stroma	Strong		2D	Expression became more intense, restricted primarily to undifferentiated stromal cells

Structure	Level	Pattern	Image	Note
TS6: embryo	Ambiguous		2E	Authors state that expression was inhibited until Day 7 of pregnancy.

Structure	Level	Pattern	Image	Note
TS7: trophectoderm	Present		2G	Expression first detected in invasive trophoblast on Day 6 of pregnancy.
TS7: embryo	Ambiguous		2G	Authors state that expression was inhibited until Day 7 of pregnancy.

Structure	Level	Pattern	Image	Note
TS28: uterus stroma	Strong		2H	Expression became more intense, restricted primarily to undifferentiated stromal cells.

Structure	Level	Pattern	Image	Note
TS9: trophectoderm	Present		2I
TS9: embryo	Strong		2I	At Day 7 pregnancy, strong expression detected in embryo.

Structure	Level	Pattern	Image	Note
TS28: uterus stroma	Strong		2J	Expression became more intense, restricted primarily to undifferentiated stromal cells.