Antibody:	antibody P31
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS28: decidua	Present	Regionally restricted	6A	Expression in the outer zone of decidua.
TS28: myometrium	Present	Regionally restricted	6A	Expression in inner circular myometrial smooth muscle layers.

Structure	Level	Pattern	Image	Note
TS7: extraembryonic component	Present		6A

Structure	Level	Pattern	Image	Note
TS7: extraembryonic visceral endoderm	Present		6B
TS7: parietal endoderm	Present		6B

Structure	Level	Pattern	Image	Note
TS9: extraembryonic visceral endoderm	Present		6D	Authors report that a similar expression pattern was observed.
TS9: parietal endoderm	Present		6D	Authors report that a similar expression pattern was observed.
TS9: extraembryonic endoderm	Strong		6D	High levels of expression in the marginal zone.

Structure	Level	Pattern	Image	Note
TS11: parietal endoderm	Strong		6F
TS11: extraembryonic visceral endoderm	Weak		6F	Decreased expression in the visceral endoderm compared to earlier stages.

Structure	Level	Pattern	Image	Note
TS15: extraembryonic component	Present	Regionally restricted	6G	Expression restricted to the parietal endoderm; no expression in the marginal zone or visceral endoderm.

Structure	Level	Pattern	Image	Note
TS15: embryo	Absent