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Table 2 Effect of r-SIF on fertility outcome in female mice

From: Escherichia coli recombinant sperm immobilizing factor RecX as a potential vaginal contraceptive

Dose instilled (20 μl each) Number of female mice (per group) Fertility outcome
Placebo (PBS) 6 6/6 (100%)
2.5 μg of r-SIF 6 6/6 (100%)
5 μg of r-SIF 6 0/6 (0%)
10 μg of r-SIF 6 0/6 (0%)
25 μg of r-SIF 6 0/6 (0%)
40 μg of r-SIF 6 0/6 (0%)
50 μg of r-SIF 6 0/6 (0%)