Precipitate delivery refers to childbirth after an unusually rapid labor (combined 1st stage and second stage duration is under two hours) and culminates in the rapid, spontaneous expulsion of the infant. Delivery often occurs without the benefit of asepsis. Precipitate delivery refers to childbirth after an unusually rapid labor (combined 1st stage and second stage duration is under two hours) and culminates in the rapid, spontaneous expulsion of the infant. Delivery often occurs without the benefit of asepsis.