Gestation day | 7.5 | 10.5 | 13.5 | 17.5 |
---|
Trophoblast giant cells |
+
|
+
|
+
|
+
|
Spongiotrophoblast | Â |
+
|
+
|
++
|
Labyrinth | Â |
+
|
+/-
|
-
|
- The presence (+) or absence (-) of immunohistochemically detected MIF in placental cell populations at different gestational periods as indicated (++, means many cells immunostained, +/-, only a few reactive cells, - no reactivity).