(US, law, colloquial) intact dilation and extraction

plural of partial-birth abortion

plural of traditional birth attendant

(medicine) A person who provides basic maternity care primarily from experience as well as the traditions and practices of a community.

(demography) Number of childbirths in a society per 1,000 people per year

plural of crude birth rate

(plural only, US, military slang) The brown-framed prescription eyeglasses issued to new recruits in the U.S. military, and perceived as notoriously unattractive.

Alternative form of fraternal birth order effect

The scientific observation that a man's statistical probability of being homosexual increases with the number of older brothers he has.

The place where someone (or something) was born.