Table 2.

Effect of Maternal Drug Treatment in Survival of 17.5 dpc Homozygous Embryos

Drug	Treatment	Genotype of Breeding Pair	No. of Embryos	Genotype of Living Embryos at 17.5 dpc (%) (+/+)/(+/−)/(−/−)
No treatment	No	WT	56	100/0/0
No treatment	No	HE	35	34/60/6
ICI1	1.5 mg/12 d	WT	72	100/0/0
ICI1	1.5 mg/12 d	HE	69	37/57/5
Progesterone	5 mg/12 d	WT	52	100/0/0
Progesterone	5 mg/12 d	HE	63	39/56/6
Placebo	No	WT	52	100/0/0
Placebo	No	HE	71	35/58/7

The number of pregnant females used for analyses was from five to eight. All data are presented as mean ±sd. dpc, Days post coitus.

¹ICI 182,780.