Flashcards in Instrumental delivery - facts Deck (5)
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1
Q
Incidence of operative vaginal deliveries
A
10 - 13 %
2
Q
Factors that can influence a risk of failure of instrumental deliveries
A
- Maternal body mass index over 30
- Estimated fetal weight over 4000 g or clinically big baby
- Occipito-posterior position
- Mid-cavity delivery or when 1/5th of the head palpable per abdomen
3
Q
Vacuum extraction vs forceps
A
- More likely to fail delivery with the selected instrument
- More likely to be associated with cephalhaematoma
- More likely to be associated with retinal haemorrhage
- More likely to be associated with maternal worries about baby
- Less likely to be associated with significant maternal perineal and vaginal trauma
- No more likely to be associated with delivery by caesarean section
- No more likely to be associated with low 5-minute Apgar scores
- No more likely to be associated with the need for phototherapy
4
Q
Rate of subdural or cerebral haemorrhage in vacuum deliveries
A
1 in 860 vs 1 in 664 for forceps
5
Q
Risks of complications in sequential instruments
A
1 in 256