Table 1. Breeding efficiency in 129.MOLF-L1 congenic mice with or without in utero flutamide, DES, or radiation treatment.

Treatment	Plug positive	Produced progenya	Litter sizeb
Control	48	19 (40%)	4.9±0.3
Flutamide	36	23 (64%)	5.1±0.6
Control	5	3 (60%)	4.6±0.3
DES	12	6 (50%)	4.5±0.7
Control	ND	ND	6.4±0.7
Radiation	28	15 (54%)	5.3±0.6

^aValues given as absolute number and percentage of total plug-positive females.

^bMean ± SEM.