Abstract
Summary
Sperm incubated in uteri of rabbits given intravenous injections of LH or HCG were assayed for capacitation in superovulated test rabbits inseminated either within the uterus or within the oviduct 12.5 hr after an injection of ovulating hormone. Injection of LH at levels up to 2000 μg had no significant influence on sperm capacitation, but 300 IU of HCG reduced fertility. Test rabbits inseminated within the uterus had significantly higher fertility than those inseminated within the oviduct. The results indicated that sperm may be inseminated at either location in experiments to assess the influence of these gonadotropins on capacitation.
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