The Modified Bushen Antai Recipe Upregulates Estrogen and Progesterone Receptors at the Maternal-Fetal Interface in Pregnant Rats with Mifepristone-Induced Pregnancy Loss

Table 3

The effect of gradient dose of mifepristone on the embryo absorption rate of pregnant rats.

Dose of RU486	5 mg/kg	3.75 mg/kg	2.5 mg/kg	1.25 mg/kg
Number of rats	6	6	6	6
Surviving embryo number	0 ± 0	1.8 ± 0.581	5.6 ± 0.5099	10.8 ± 0.8602
Uptake embryo number	10.2 ± 1.356	10.8 ± 1.114	6.4 ± 0.9274	2.8 ± 0.5831
Embryo uptake rate (%)	100 ± 0	86.06 ± 4.803	52.49 ± 4.776	20.79 ± 4.276

Data was shown as mean ± SEM.