ob 378

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ob 378
2013-09-30 18:47:28

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  1. molding
    shaping of fetal head to facilitate movement through the birth canal during labor.
  2. largest bd part of baby to be delivered
  3. lie
    relationship of cephalocaudal (head to foot) axis of fetus to cephalocaudal axis of mother
  4. station
    relationship of presenting fetal prt to an imaginary line drawn bw pelvis and ischial spines
  5. position
    relationship of identified landmark on presenting prt of 4 quadrants of mothers pelvis
  6. position
    o occiput
  7. position
    m mentum
  8. position
    s sacrum
  9. loa
    left occiput anterior
  10. roa
    • right occiput anterior
    • most favorable for delivery
  11. presenting part
    determined by fetal lie and the part of fetus that enters the pelvis first, the part of the fetus in contact w cervix. the head most common, could be breech (butt or shoulder)
  12. fetal attitude
    relationship of fetal bd prts to one another. ideal *flexion w the head flexed onto chest, arms flexed over chest, and hips and knees flexed on the abd. if any prts are extended esp head or legs, more difficult delivery. attitude is then called *extension
  13. most common attitude for a fetus
  14. most common lie for fetus
  15. most common presentation for fetus
    cephalic position
  16. most desirable and common position for fetus for birth
    • roa right occiput anterior
    • or
    • loa left occiput anterior
  17. 7 early signs of labor
    • lightening
    • braxton hicks
    • cervical changes
    • bloody show
    • rupture of membranes rom
    • gastrointestinal disturbances
    • sudden burst of energy
  18. lightening
    • descent of fetus into pelvis
    • drop
  19. braxton hicks
    irregular, intermittent contractions felt toward the end of preg
  20. cervical changes 3
  21. around 34 wks cervix matures or ripens
    • becomes softer and spongy
    • effacement may begin
  22. bloody show
    • secretions w blood tinged mucus, labor may begin 24-48 hrs afterward.
    • do not confuse w normal bld tinged discharge d/t vag exam
  23. rom
    rupture of membranes
    usually occurs after labor has began
  24. gastrointestinal disturbances
    • indigestion, n, v, d may be present
    • may have 1-3 wt loss
  25. sudden burst of energy
    • nesting
    • couple days prior to onset of labor
  26. false labor findings
    contractions irregular and do not incr in freq, duration, or intensity

    walking relieves contrations

    pain felt in groin/abd not low back and abd

    bldy show not present, no change of effacement or dilation of cervix
  27. completely dilated cervix
    10 cm
  28. freq of contractions
    determined by time from beginning of one contraction to beginning of next
  29. shortening of cervixx
  30. information documented abt uterine contractions
    • freq
    • duration
    • intensity
  31. duration
    length of one contraction from beginning of one to the conclusion of decrement. should not be longer than 90 second or less than 60
  32. intensity
    strength of contraction at the acme
  33. what can be determined abt the fetus by abd palpation
    leopolds manuever to determine fetal lie and presentation
  34. oxytocin
    initiation or augmentation/stimulation of contractions. also responsible for let down milk
  35. components of birth process
    4 ps
    • passage
    • passenger
    • powers
    • psyche
  36. passage 8
    pelvis, uterus, cervix, vag, muscles, ligaments, fascia, peritoneum
  37. passenger
    fetus, placenta, amniotic membranes and fld
  38. powers
    • forces that cause cervix to open and propel fetus downward thru birth canal.
    • two powers are uterine contractions and mothers pushing efforts