1. Ulaanbaatar University, School of Nursing

2. - - Prostagrandins production increase - 3. (5P) 1. 1. 1. 1. 1.Power(uterine contraction) ( ) Passage(pelvis, cervix) (, ) Passenger(fetus, placenta) (, ) Position(maternal position) ( ) Psychology(maternal psychology) ( ) 4. 1. power(uterine contractions) ( ) , . . . 5. 1. power(uterine contractions) ( ) , , . . . . 6. 7. 2. Passage(pelvis) () ( , ) 2. ( ) 3. ( , ) 1. 8. 3. Passenger(fetus) () - , , . - , . 9. 10. . ( ) ( 99 ) - . - . . 11. 12. . 13. 3-3. Fetal position , , , , . , LOA (left occi put anterior ) . 14. Fetal Presentations 15. 1. 16. 2. - - 2 - 2 - - 17. 2 . . ( ) - , , - 18 . ( )- 6-8 . 18. Fetal Head 19. 4. Maternal Position Lie down position: : , , . Upright position: , : , , 20. Lithotomy position . . . 21. Modified dorsal recumbent position . . 22. Side-lying position . 3 . 23. Squatting position , . . 24. Hand and Knee (four all) position . . 25. 5. Psychological response . . , . 26. 27. , . 28. 29. 30. 31. 32. ? ? 33. 1. 2. 3. 4. 34. 1. . b . . c. . a. 35. 2. 3. .( ) 4. . 5. 36. True Labor Contractions , False Labor Contractions , 37. 6. , ( ) 2 . . 38. . , . . . , . , . 39. 40. 0 to 10 cm 41. . () . 42. . (10 ). 2. 12 , 8 . 1. 43. 1cm2cm100% Open 10cm3cm4cm5cm80% Open 8cm6cm 44. 1. (Latent phase ) , . 45. 3. ( ) 0-4 b. 5-20 20-40 . c. 5 , . a. 46. 4. 4-7 . b. 2-5 , 30-50 .. c. , 1.2 1.5 . a. 47. 1. 48. 5. 8-10 . 2. 2-3 50-60 , . 1. 90 . 49. 1. . 2. 1 1 30 20 45 . 50. . 2. 30 . 51. . ( 1-2 ) 52. 1.2. 3. 4. 5. 6. 7.Engagement Descent Flexion Internal rotation Extension External rotation Expulsion 53. . 1. - 2 . 2. - 3. . 54. . . 55. 56. . 9.5 . 57. 58. . , . .. 59. . . . 60. . , . 61.