Sept 2015 recall Flashcards
When is it contraindicated to perform forceps?
When the head is 2/5 palpable PA
Higher than spines
Not DOA
What is a mid cavity forceps?
Anything higher than +2
What is a risk for failed forceps (so indication to take to theatre)?
Big mother, BMI>30
Big baby, >4kg
Mid cavity or when 1/5 palpable PA
OP
Which antibiotics for GBS?
(also give for PTL as they are at inc risk of GBS, 2.3/1000 and becoming unwell with GBS mortality 20-30% if they are infected, compared with 2-3% if term)
Benzylpenicillin
If not severe allergy- cephalosporin
If severe allergy- vancomycin
What gestation is an emergency cerclage considered up to?
27+6,
Can delay delivery by ~34 days an a 2 fold reduction of births <34/40
When are you less likely to perform an emergency cerclage?
Dilation >4cm,
>24/40 all have an increased risk of ROM
If you suspect a delay in progress when the presentation is breech what should you do next?
Caesarean section
What can reduce the risk of an assisted vaginal birth?
Continuous support in labour
If no epidural- upright/ lateral position
If epidural- lateral position
How do you manage a woman with parvovirus?
When confirming- check for rubella at the same time
Once confirmed:
refer to FMU 4 weeks after infection
Serial scans
If suspected hydrops- amniocentesis can confirm
What is the risk of vertical transmission of parvovirus?
30%
What is TSH similar to, in terms of molecular structure?
HCG, FSH, LH
What is the mechanism of contraception for COCP?
Suppress ovulation
What is classed as a high risk triple/ quadruple test?
Up to 1 in 150- these women should be offered a NIPT
HIV +ve, viral load >30,000, what should the plan for delivery be?
IV zidovudine and c/s between 38 and 39 weeks
What is PEP for neonates birthed by mothers who are HIV+ve?
If mother has been on cART for 10 weeks, VL<50 at 36/40 and <50 on 2 separate occasions 4 weeks apart- only 2 weeks of monotherapy with zidovudine.
If all the above isnt met, but their 36/40 VL was <50 (or preterm and most recent VL <50) then 4 weeks of monotherapy will be ok
In any other situation, combined PEP should be used and should be commenced within 4hr of birth and for 4 weeks