A secretion which 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.
Definition of vaginal plug in:
- The US English dictionary