OBS&GYNAE Flashcards
At what gestation would a referral to the maternal foetal medicine unit for no foetal movements be done?
24 weeks
Whats the most common adverse effect of the progesterone-only pill?
Irregular vaginal bleeding
If Bishop score <=6, what should be done to induce labour?
vaginal prostaglandins or oral misoprostol
mechanical methods such as a balloon catheter can be considered if the woman is at higher risk of hyperstimulation or has had a previous caesarean
If bishop score >6 what should be done to induce labour?
Amniotomy and IV oxytocin infusion
After pregnancy, when can the contraceptive implant be safely inserted?
Any time!
What is the most common risk following a surgical termination of pregnancy?
Infection
How does cholestasis of pregnancy present differently yo acute fatty liver of pregnancy?
AFL of pregnancy - malaise, fever, n&v, abdo pain, jaundice, ALT very elevated (very non-specific)
Cholestasis - severe pruritus often in palms and soles and raised bilirubin
How should you manage a woman in labour when there is foetal bradycardia <80bpm?
Rule of 3 mins for foetal bradycardia:
3 minutes - call for help
6 minutes - move to theatre
9 minutes - prepare for delivery
12 minutes - deliver the baby as cat 1 c-section
What should always be done at any sensitising event after 20/40 in a woman who is rhesus D negative?
A kleihauer test after giving anti-D to determine if additional anti-D is required
Management of gestational diabetes if fasting glucose level is >=7.0mmol/l?
Immediate insulin
When do baby blues start and when does PND start?
Baby blues are typically seen 3-7 days following birth
PND usually starts within 1 month and peaks at 3 months
Risk factors for placenta praevia
multiparity
multiple pregnancy
previous caesarean section - Embryos implant in scar
How does placenta praevia present?
Shock in proportion to visible loss
Lie and presentation may be abnormal
(No pain or tender uterus and foeta;l heart good)
What is grade 1 placenta praevia?
I - placenta reaches lower segment but not the internal os
What is grade 2 placenta praevia?
II - placenta reaches internal os but doesn’t cover it
What is grade 3 placenta praevia?
placenta covers the internal os before dilation but not when dilated
What is grade 4 placenta praevia?
IV (‘major’) - placenta completely covers the internal os
First line investigations for PMB?
TVUS
What UKMEC category is having positive antiphospholipid antibodies e.g. SLE/
4 - i.e. There is an unacceptably high clinical risk and she cannot use the pill anymore
What is the risk of chickenpox in pregnancy for the mother?
5 times greater risk of pneumonitis
What are features of foetal varicella syndrome?
Skin scarring
Eye defects e.g. microphthalmia
Limb hypoplasia
Microcephaly
Learning disabilities
Management if 2 COCP pills are missed in week 1 and they had unprotected sex during this week or the pill-free interval?
Consider emergency contraception
Risk factors for ectopic pregnancy?
Any damage to tubes e.g. PID, surgery
Previous ectopic
Endometriosis
IUCD
POP
IVF
What % of IVF pregnancies are ectopic?
3%
What drug class is leuprolide?
GnRH agonist
What can be used to screen for depression in the peurperal period?
The Edinburgh Postnatal Depression Scale
When does puerperal psychosis typically start?
2-3 weeks following birth
What is the most effective form of contraception?
Implantable contraceptive
Moa of mifepristone in termination of pregnancy?
acts as an anti-progestogen that primes the uterus to enhance its responsiveness to misoprostol
Moa of misoprostol in termination of pregnancy?
A prostaglandin analogue
Misoprostol binds to smooth muscle cells in the uterine lining to increase the strength and frequency of contractions as well as reduce cervical tone