Definition of vaginal plug in English:

vaginal plug

Syllabification: vag·i·nal plug

noun

Zoology
  • A secretion that blocks the vagina of some rodents and insectivores after mating.
    More 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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