Table 1. Number of embryos with GFP-labeled PGCs at 1 day post fertilization after GFP-nos1 3′UTR mRNA injection.

Trial	Exp. group	No. of embryos	No. of normal embryos	No of embryos with PGCs
Exp.1	injected	144	50 (34.7)	33 (66.0)
	control	90	80 (88.9)	-
Exp.2	injected	78	49 (62.8)	35 (71.4)
	control	44	40 (90.9)	-
Exp.3	injected	70	36 (51.4)	12 (33.3)
	control	52	44 (84.6)	-
Total	injected	292	135 (46.2)	80 (59.3)
	control	186	164 (88.2)	-