placenta praevia

what is placenta praevia?

the placenta is partially/wholly implanted in the lower uterine segment
what happens after 12 weeks of preg?

segment grows and stretches
what happens in the later weeks?

placenta may separate due to the stretching which can lead to severe bleeding
when does it usually present?

at 24-32 weeks with small episodes of painless bleeding
what is it more common in?

multigravidae preg
what are the 4 types?
- Type 1- low lying
- types 2- marginal
- type 3- partial
- type 4- complete
explain type 1
- low lying
- located upper segment of uterus
- vag delivery possible
- mild risk of bleeding
explain type 2
- marginal
- located lower segment of uterus
- vag delivery possible
- moderate risk of bleeding
explain type 3
- partial
- over internal cervical mouth
- risk of severe haem
- C section needed
explain type 4
- complete
- centrally over cervix
- high risk of torrential haem
- C section needed
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

346967

Card Set

placenta praevia

Description

placenta praevia

Updated

2019-05-14T10:46:49Z

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