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| Definition | Usage | History | Adoptees |
B.B. (Before Birth) • Definition
Definition
B.B. (Before Birth)
Before Birth : 1. The measurement of an unborn person's age based on the expected time of birth. The measurement counts down to the time of the birth. 2. The countdown, 9 months B.B. to 1 day B.B.) to the expected birthdate.
B.B. (Before Birth)