Definition of vaginal plug in English:

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vaginal plug

noun

Zoology
A secretion which blocks the vagina of some rodents and insectivores after mating.
Example sentences
  • The day of detection of the vaginal plug was designated as day 0 of pregnancy.
  • For timed matings, the morning that vaginal plugs were detected was considered embryonic gestation day 0.5.
  • Females were examined daily for vaginal plugs and separated from males when positive.
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