A birth in which the foetus is alive

plural of birth tongue

(neologism) A trans man who has given birth to a child.

plural of birthing father

plural of birth sex

birthplace

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

(US, law, colloquial) intact dilation and extraction

plural of partial-birth abortion

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