Obs and Gynae Flashcards
What should be monitored when magnesium sulphate is given?
Respiratory rate and reflexs
When should mothers be referred if they haven’t yet felt movements?
24 weeks
Cut off for iron replacement post delivery?
<100g/L
Smear testing intervals for different ages?
25-49 = every 3 years
50-64 = every 5 years
When to stop the COCP in relation to planned surgery?
Stop 4 weeks before and restart 2 weeks after
UKMEC 3 Criteria?
> 35yrs smoking <15/day
BMI >35
VTE in 1st degree relative <45yrs
Controlled hypertension
Immobility
BRCA1/2
Current gallbladder disease
UKMEC 4 Citeria?
Migraine with aura
>35yrs smoking >15/day
History of stroke/VTE/HD
Breastfeeding <6 weeks postpartum
Uncontrolled hypertension
Current breast cancer
Antiphospholipid syndrome
Major surgery + prolonged immobilisation
Phases of the menstrual cycle and hormone changes?
Follicular - FSH and oestrogen UP
Ovulation - LH spikes
Luteal - progesterone UP
Which cancers is COCP protective for?
Endometrial, ovarian, colon
Contraindications for ulipristal acetate (EllaOne)
Diseases of malabsorption, severe hepatic dysfunction, asthma, breastfeeding, drugs increasing stomach pH (PPIs)
What is gravidity?
Number of pregnancies of any duration, regardless of the outcome
What is parity?
Total number of pregnancies carried over the threshold of viability (24w)
Which medication inhibits milk production?
Cabergoline
Which types of cancer does the COCP increase the risk of?
Breast and cervical
Time limits for different category c-sections?
Cat 1 - within 30 minutes
Cat 2 - within 75 minutes
Cat 3 - delivery required but mum and baby are stable
Cat 4 - elective c-section
Indications for category 1 c-section?
Uterine rupture, major placental abruption, cord prolapse, fetal hypoxia, persistent fetal bradycardia
Management of placental abruption <36 weeks (live fetus)?
No fetal distress: admit for corticosteroids, observe closley
Fetal distress: emergency c-section
Management of placental abruption >36 weeks?
Fetal distress: emergency c-section
No fetal distress: vaginal delivery
Bishop score meanings?
</=5 - spontaneous labour unlikely
8+ - cervix is ripe/favourable, high chance of spontaneous labour
Guidelines for IOL if bishop score <6 or 6?
Vaginal prostoglandins or oral misoprostol
(Sometimes balloon induction)
Guidelines for IOL if bishop score >6?
Amniotomy and IV oxytocin infusion
Pharmacological interventions for reduced fetal movements before term?
Steroids - for lung maturity
Magnesium sulphate - for neuroprotection
How can ovarian cancer cause raised urea and creatinine?
Renal tract obstruction due to tumour
What is Sheehan’s syndrome?
Complication of PPH results in avascular necrosis of pituitary gland»hormones produced affected
What can Sheehan’s syndrome cause?
Amenorrhoea
Reduced lactation
Adrenal insufficiency
Hypothyroidism
What is Asherman’s syndrome?
Adhesions formed within the uterus following damage e.g. D&C, uterine surgery, pelvic infection
How to treat thrush in pregnancy?
Topical treatments only - cream or pessary
Blood tests results in menopause?
LH/FSH high
Oestrogen and progesterone low
How long to use contraception for after menopause?
> 50 = 12 months after last period
<50 = 24 months after last period
Blood results for premature ovarian insufficiency?
High FSH/LH (on two samples 4-6 weeks apart)
Low oestrogen
Causes of premature ovarian insufficiency?
Idiopathic
Bilateral oophorectomy
Radio/Chemotherapy
Autoimmune disorders
Resistant ovary syndrome - FSH receptor abnormalities
What is included in the Rotterdam criteria?
Oligoovuation/anovulation
Hyperandrogenism (hirsutism/acne)
Polycystic ovaries on USS (>12 follicles or ovarian volume >10cm3)
Blood tests results in PCOS?
Raised LH:FSH ratio
Raised testosterone
Raised insulin
Low sex hormone-binding globulin
What is the combined test for Down’s syndrome and positive results?
Beta-HCG - increased
PAPPA - decreased
What is the triple test for Down’s syndrome and positive results?
Beta-HCG - increased
AFP - decreased
Serum oestriol - decreased
What is the quadruple test for Down’s syndrome and positive results?
Beta-HCG - increased
AFP - decreased
Serum oestriol - decreased
+ Inhibin-A - increased
Is nuchal translucency increased or decreased with a higher chance of Down’s?
Increased nuchal thickness = Down’s more likely
Following screening, when are mothers offered antenatal testing for Down’s syndrome?
If the risk is greater than 1 in 150
What tests will be offered in higher risk of Down’s?
Non-invasive prenatal screening test (NIPT) - blood sample
or
Amniocentesis
or
Chorionic villus sampling
What is occult vs overt cord prolapse?
Occult (incomplete) = cord descends alongside presenting part but not beyond it
Overt (complete) = cord descends past the presenting part
Quadruple test results for edwards syndrome?
B-HCG low
AFP low
Oestriol low
Inhibin A normal
When women are at risk of pre-eclampsia what should they take during pregnancy?
Aspirin 75mg from 12 weeks
Management of postpartum thyroiditis?
Propranolol
Blood pressure threshold for immediate assessment in pregnant women?
160/110mmHg
Haemoglobin cut offs for iron supplementation?
Non-pregnant 115
1st trimester 110
2nd/3rd trimester 105
After childbirth 100
First line medication for hyperemesis gravidarum?
Antihistamine - cyclizine or promethazine
phenothiazines - prochlorperazine or chlorpromazine
Second line medication for hyperemesis gravidarum?
Ondansetron - risk of cleft palate in first trimester
Metoclopramide - don’t use for more than 5 days (EPSEs)
Domperidone
Diagnostic triad for hyperemesis gravidarum?
5% weight loss
Electrolyte disturbance
Dehydration
Choice of fluids of dehydration in hyperemesis gravidarum?
0.9% saline + potassium
Intervention to reduce stillbirth in obstetric cholestasis?
Induction of labour 37-38 weeks
How long until different contraceptives are effective?
IUD = immediately
POP = 2 days
COCP, IUS, injection, implant = 7 days
How long to take folic acid for?
Until end of first trimester (12 weeks)
Which women should take higher dose of folic acid?
BMI >30
Diabetes
Sickle cell disease
Coeliac
Anti-epileptic drugs
FHx neural tube defects
Prev child with NTD
NOACs in pregnancy?
Switch to LMWH
Main complication of IOL?
Uterine hyperstimulation
When to offer external cephalic version?
36 weeks in nulliparous women
37 weeks in the others
Staging for ovarian cancer?
Stage 1 - Tumour confined to ovary
Stage 2 - Outside ovary but in pelvis
Stage 3 - Outside ovary but in abomen
Stage 4 - Distant metastasis
SSRI for postmenopausal symptoms?
Fluoxetine
What is lochia?
Passage of blood, mucus and uterine tissue that occurs during the puerperium
How long is normal for lochia to continue?
4-6 weeks
When should HTN in pregnancy be urgently referred/admitted?
> 160/110
140/90 + proteinuria/other organ involvement
Drugs for urge incontinence?
Oxybutynin/Tolterodine - antimuscarinincs
Which drug given for urge incontinence if worries of anticholinergic S/Es?
Mirabegron - beta-3 agonist
USS finding of ovarian torsion?
Whirlpool sign
Age bracket for breast cancer screening?
50-70 every 3 years
Risk factors for ectopic pregnancy?
Prev ectopic
IUD
Prev fallopian surgery