placenta praevia

  1. what is placenta praevia?
    the placenta is partially/wholly implanted in the lower uterine segment
  2. what happens after 12 weeks of preg?
    segment grows and stretches
  3. what happens in the later weeks?
    placenta may separate due to the stretching which can lead to severe bleeding
  4. when does it usually present?
    at 24-32 weeks with small episodes of painless bleeding
  5. what is it more common in?
    multigravidae preg
  6. what are the 4 types?
    • Type 1- low lying 
    • types 2- marginal 
    • type 3- partial 
    • type 4- complete
  7. explain type 1
    • low lying 
    • located upper segment of uterus 
    • vag delivery possible
    • mild risk of bleeding
  8. explain type 2
    • marginal 
    • located lower segment of uterus 
    • vag delivery possible
    • moderate risk of bleeding
  9. explain type 3
    • partial 
    • over internal cervical mouth 
    • risk of severe haem
    • C section needed
  10. explain type 4
    • complete 
    • centrally over cervix 
    • high risk of torrential haem 
    • C section needed
  11. what are the risk factors?
    • previous 
    • previous C section or other uterine surgery 
    • advanced maternal age
    • multiparity/ increasing parity 
    • smoking 
    • coke use while preg 
    • previous spontaneous or induced abortion
    • deficient endometrium due to past history 
    • assisted conception
Author
davidgoddard93
ID
346967
Card Set
placenta praevia
Description
placenta praevia
Updated