1. definition a Term pregnancy: 37-42weeks from LMP pre-term delivery (labor): 28-<37 weeks of gestational age post-term delivery: 2 42 weeks Abortion: <28 week 85%o of women spontaneous labor and delivery between 37-42 weeks1. definition ◼ Term pregnancy: 37-42weeks from LMP ◼ pre-term delivery (labor): 28- <37 weeks of gestational age ◼ post-term delivery: 42 weeks ◼ Abortion : <28 week ◼ 85% of women spontaneous labor and delivery between 37-42 weeks