Normal Labor and Delivery 正常分娩 林建华
Normal Labor and Delivery 正常分娩 林建华
■ Labor: the process by which contractions of uterus expel the fetus. Delivery receive the neonate
◼ Labor : the process by which contractions of uterus expel the fetus. ◼ Delivery : receive the neonate
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 weeks
1. 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
2. The four factors for labor a Force( uterine contraction) a birth canal (bony canal) a fetus(lie, position ,presentation, weight psychical-factors
2. The four factors for labor ◼ Force ( uterine contraction) ◼ birth canal (bony canal) ◼ fetus (lie,position ,presentation,weight) ◼ psychical-factors
Contractions onset, frequency, duration, intensity increase in frequency and duration a uterus can be felt to harden during contraction lasting about 30-45 seconds interval between contractions to be 5 min a Intensity(slight, middle, heavy) the pain of labor is a character
Contractions onset, frequency, duration, intensity ◼ increase in frequency and duration ◼ uterus can be felt to harden during contraction ◼ lasting about 30-45 seconds ◼ interval between contractions to be 5 min’ ◼ Intensity (slight, middle, heavy) ◼ the pain of labor is a character