Sexual Satiety Diminishes the Capacity of Novel Males to Disrupt Early Pregnancy in Inseminated Female Mice (Mus musculus )

Male mice (Mus musculus) are sexually aroused by previously inseminated females and can disrupt intrauterine ova implantation. In Experiment 1, females were mated with males of their own genetic strain (CF-1) and then exposed for 5 days to novel males of the same or a different heterogeneous strain (HS). Half of these males had just mated with other females. HS males disrupted pregnancy more than did CF-1 males, with a nonsignificant trend …