Gynaecology Flashcards
What is used in the medical management of miscarriage?
Vaginal misoprostol
Bleeding should start within 24 hours
o If the bleeding has NOT started within 24 hours of treatment, contact a healthcare professional
o Inform patient about what to expect: vaginal bleeding, pain, diarrhoea and vomiting
pregnancy test after 3 weeks
NOTE: also give antiemetics and analgesia for the symptoms
What is the surgical management option for miscarriage?
Manual vacuum aspiration done under LA or surgical managemnt under GA
o Vaginal or sublingual misoprostol if often used to ripen the cervix to facilitate cervical dilatation for suction insertion
NOTE: surgical management of miscarriage requires anti-D in RhD-negative patients
Which tests should be requested in a patient with recurrent miscarriage?
Antiphospholipid antibodies (anticardiolipin and lupus anticoagulant)
Cytogenetic analysis of the products of conceptions and of both partners
Ultrasound scan for structural anomalies
Screen for thrombophilia (e.g. factor V Leiden)
How is antiphospholipid syndrome in pregnancy treated to reduce risk of miscarriage?
Low-dose aspirin + LMWH
What conditions need to be fulfilled for expectant management of ectopic pregnancy?
and what is it?
Size < 35 mm
Asymptomatic
No foetal heartbeat
Serum hCG < 1000 IU/L (may consider 1000-1500)
compatible if there is another intrauterine pregnancy
able to return for followup
Expectant management involves taking serial serum hCG measurements until the levels are undetectable
What is the medical management of ectopic pregnancy and what conditions need to be fulfilled for this option?
IM Methotrexate
No significant pain
Unruptured ectopic pregnancy with adnexal mass < 35 mm with no visible heartbeat
Serum B-hCG < 1500 iU/L
No intrauterine pregnancy (confirmed by USS)
Able to return for follow up
How should a patient be followed-up after medical management of ectopic pregnancy?
Serial serum hCG measurements on days 4 and 7 then once a week until negative
Don’t have sex during treatment
Don’t conceive for 3 months after treatment
Avoid alcohol and prolonged sun exposure
What conditions need to be fulfilled to consider surgical management of ectopic pregnancy?
- Significant pain
- Adnexal mass > 35 mm
- Ectopic pregnancy with a foetal heartbeat visible on ultrasound scan
- Serum b-HCG > 5000 iU/L
Describe the follow-up after salpingectomy (removal of fallopian tube) and salpingotomy (fallopian tube opened and closed).
Salpingectomy - urine pregnancy test at 3 weeks
Salpingotomy - 1 serum hCG per week until negative
Is anti-D required after ectopic pregnancy or miscarriage?
Only if they were managed surgically
NOTE: also required for all cases of molar pregnancy
What is the first line management option for molar pregnancy?
Suction curettage
Anti D prophylaxis
pregnancy test after 3/52
NOTE: methotrexate may be used as chemotherapy
What advice should be given to women who have had a molar pregnancy?
If receiving chemotherapy, do not get pregnant for 1 year
Do not conceive until follow-up is complete
Recommened barrier contraception until hCG normalised.
COCP and IUD can be used once hCG has normalised
Which investigations should be used in secondary amenorrhoea?
Urinary or serum hCG (exclude pregnancy) TFT Gonadotrophins (low indicates hypothalamic cause, high indicates ovarian cause or turners) Prolactin Androgen (high in PCOS) Oestradiol
What are the Rotterdam criteria for PCOS?
Oligo/anovulation
Clinical or biochemical hyperandrogenism
Polycystic ovaries on ultrasound
How should PMS be investigated?
Symptom diary for 2 cycles
What is management for PMS (conservative, moderate and severe)
Conservative - offer to all women regardless of severity:
- Stress reduction
- Alcohol and caffeine limitation
- Smoking cessation
- Regular exercise
- Regular sleep
- Regular, frequent (2-3 hourly) small balanced meals (inc complex carbs)
- Offer pain relief if required - paracetamol or NSAIDS
Moderate - some impact on personal, social and professional life :
- COCP = Yasmin. can be cyclical or continuous
- Refer for CBT
Severe - causes withdrawal from social and professional activities and prevents normal functioning:
- same as moderate PMS
- SSRI ( can be continuous or just during the luteal phase. must monitor treatment response closely, esp regarding self harm and initially trial for 3 months)
Which investigation should be performed in all women with heavy menstrual bleeding?
FBC
What are the management options for menorrhagia of no known cause or menorrhagia caused by < 3 cm fibroids or adenomyosis?
1st line: LNG-IUS
2nd line non-hormonal: Tranexamic acid (antifibrinolytic) or NSAIDs (e.g. mefenamic acid)
2nd line hormonal: COCP or oral progestogens
Surgical:
Endometrial ablation
Hysterectomy
What are some medical management options for menorrhagia caused by fibroids > 3 cm?
Non-Hormonal: tranexamic acid, NSAIDs
Hormonal: Ulipristal acetate, LNG-IUS, COCP and cyclical oral progestogens
NOTE: ulipristal acetate carries a risk of liver injury
What are some surgical management options for fibroids > 3 cm?
Transcervical resection of fibroid (for submucosal) = hysteroscopic surgery
Myomectomy
Uterine artery embolisation
Hysterectomy
What are the 1st and 2nd line management options for dysmenorrhoea?
1st line: NSAIDs = mefenamic acid
2nd line: COCP
What are the three forms of emergency contraception and what is the window for taking them after UPSI?
Levonorgestral (Levonelle) - 72 hours
Ulipristal Acetate (EllaOne) - 120 hours
Copper IUD - 120 hours
NOTE: levonorgestrel and ulipristal should NOT be taken together, but both can be used more than once in a single cycle
How long after taking emergency contraception must it be repeated if the patient vomits?
2 hours
What are the main side-effects and risks of the COCP?
Side-Effects: headache, nausea, breast tenderness
Risks: VTE, breast and cervical cancer, stroke, ischaemic heart disease
How do periods tend to change with the COCP?
Usually makes periods regular, lighter and less painful
How long before an elective operation should the COCP be stopped?
4 weeks
How should a patient on the COCP who has missed 1 pill be counselled?
Take last pill
How should a patient on the COCP who has missed 2 pills be managed?
- Use condoms until pill has been taken correctly for 7 days in a row
- 2 Missed in Week 1: consider emergency contraception
- 2 Missed in Week 2: no need for emergency contraception
- 2 Missed in Week 3: finish pills in current pack and start the new pack immediately with no pill-free break
Aside from emergency contraception, what else should be offered to women coming in asking for emergency contraception?
STI screen
Long-acting contraception
NOTE: this should be discussed with all TOP (termination of pregnancy) patients as well
Describe how progesterone-only pills should be taken.
1 pill at the same time every day with no pill-free week
Which POP has longer leeway with regards to taking the next dose?
Cerazette (desorgestrel) - 12 hours
How should you advice a patient who is >12 hours late to take her cerazette?
Take the missed pill ASAP and continue with the rest of the pack
Use extra precautions (condoms) until pill taking has been re-established for 48 hours
What is the main side-effect associated with POPs?
Irregular menstrual bleeding
Describe how the combined hormonal transdermal patch should be used?
Apply patch for 3 weeks (replacing at the end of every week)
Take 1 week off (withdrawal bleed)
What benefit does the transdermal patch have over the COCP?
No increased risk of clots
Describe how the combined hormonal ring is used.
Flexible ring inserted into the vagina
Worn vaginally for 21 days followed by a 7-day hormone-free period
How long does the mirena last?
3 or 5 years
How do periods tend to change with mirena?
They become lighter and less painful
List some side-effects of mirena.
Acne
Breast tenderness
Mood disturbance
Headache
What is Jaydess?
Smaller form of LNG-IUS that is effective for contraception but not for treating heavy periods
Lasts 2 years
Easier to put in
How long does nexplanon last?
3 years
How long does depo-provera last?
12 weeks
What are some important side-effects of depo-provera?
Weight gain (only form of contraception with proven link)
May take up to 6-12 months for fertility to return
How long does the copper coil last?
5 or 10 years
What are some side-effects of the copper coil?
Heavy, painful periods
Expulsion
Infection
How long do all LARCs take to be effective?
1 week
Except copper coil
How is female sterilisation performed at laparoscopy?
Occlude Fallopian tubes with Filshie clips
What advice should be given to women who have had a laparoscopic sterilisation?
Additional contraception should be used until the first period after the procedure
What is hysteroscopic sterilisation?
Insert expanding springs into the tubal ostia via a hysteroscope
This induces fibrosis over 3 months
Additional contraception should be used during this time
Which drugs are used in the medical termination of pregnancy?
Mifepristone - progesterone receptor antagonist
Misoprostol (after 48 hours) - prostaglandin analogue
NOTE: pain relief should also be provided
Where should medical TOP take place?
< 9 weeks = can be done at home if easy access to follow-up, perform urine pregnancy test after 3 weeks
> 9 weeks = done in clinical setting (higher risk of bleeding/discomfort), repeated misoprostol may be needed every 3 hours
What extra treatment may be required in TOP over 21 +6 weeks?
Intracardiac KCl injection (feticide) = eliminates the possibility of aborted fetus showing any signs of life
What are the surgical management options for TOP?
Vacuum aspiration (< 14 weeks)
Dilatation and Evacuation (D&E) > 14 weeks
What additional management should you discuss with all TOP patients?
Long-acting reversible contraception (copper IUD, mirena, nexplanon)
How many doctors need to sign a form to agree to TOP?
2
Which investigations should you request for subfertility?
- Blood hormone profile:
- FSH, LH, oestrodial levels (day 2-3)
- Anti-mullerian hormone (AMH) = assess ovarian reserve (doesn’t change in response to gonadotrophins)
- Mid-luteal progesterone = 1 week before period, to confirm ovulation
- If irregular menstraul cycle = TFTs, Prolactin and Testosterone - STI screen = HIV, hep b and c screening if ART is being considerred
- TVUSS
- assessment of pelvic anatomy
- antral follicle count (important parameter of ovarial reserve: <4 = poor, 16+ = good) - Tubal assessment
- hysterosalpingography (HSG) using x-ray or USS or a laparoscopy and dye
- if there are risk factors for tubal damae (pid, ectopic pregnancy r endometriosis) - Semen analysis
- 2 tests 3 months apart
Which tests are used to assess ovarian reserve?
Anti-Mullerian hormone (AMH)
Antral follicle count (AFC)
How can tubal patency be assessed?
Hysterosalpingography (HSG) either by X-ray or ultrasound (HyCoSy)
Laparoscopy and dye (lap and dye)
List some medical management options for subfertility.
Ovarian induction (clomiphene)
Intrauterine insemination
Donor insemination
IVF
List some surgical management options for subfertility.
Operative laparoscopy to treat disease and restore anatomy (e.g. adhesions, endometriosis, cyst)
Myomectomy (if fibroids)
Tubal surgery
Laparoscopic ovarian drilling (PCOS)
What is cyclical HRT?
Either 1 monthly or 3 monthly
Take oestrogen every day
Take progesterone for last 14 days of time period (during which withdrawal bleed will happen)
What is continuous HRT?
Take oestrogen and progesterone every day
Which patient groups are cyclical and continuous HRT recommended for?
Cyclical - perimenopausal
Continuous - postmenopausal
What are the possible routes of administration of HRT?
Oral
Transdermal
Vaginal (if predominantly vaginal symptoms)
NOTE: transdermal HRT will avoid hepatic metabolism so isn’t associated with VTE/cardiovascular risks
What are the main benefits of HRT?
Improved vasomotor symptoms, sleep and performance
Prevention of osteoporosis
Improved genital tract symptoms (dryness, dyspareunia)
What are the main side-effects and risks of HRT?
Side-Effects: breast tenderness, headaches, mood swings, fluid retention
Risks: breast cancer, cardiovascular disease, VTE
NOTE: cardiovascular risk is decreased in younger women and increased in older women
List some absolute contraindications for HRT.
Pregnancy
Breast cancer
Endometrial cancer
Uncontrolled HTN
Current VTE
Thrombophilia
List some non-hormonal treatments for menopause.
Alpha agonists (clonidine)
Beta-blockers (propanolol)
SSRIs (fluoxetine) - for vasomotor and mood symptoms
CBT - mood
Symptomatic: lubricants, osteoporosis treatments
What investigation is used to diagnose premature ovarian insufficiency?
2 x FSH results > 30 IU/L
How should the osteoporosis be managed in patients with premature ovarian insufficiency?
Regular DEXA scans every few years
All patients should be recommended HRT
Which lifestyle measures could help lessen the symptoms of menopause?
stop smoking
reduce alcohol consumptions
Regular exercise
Weight loss
Reduce stress
Sleep hygiene
How is bacterial vaginosis treated?
Metronidazole for 5 days BD
avoid douching and excessive genital washing
Alternative: clindamycin
How is vulvovaginal candidiasis treated?
Intravaginal/pessary clotrimazole (canestan duo)
Alternative: oral antifungal (fluconazole)
Pregnancy: topical treatments ONLY
How is trichomonas vaginalis treated?
Metronidazole
IMPORTANT: male contacts will also need treatment as this is an STI
How is chlamydia managed?
Doxycycline or azithromycin
Contact tracing and treatment
How is gonorrhoea managed?
IM ceftriaxone 1 g
With single dose oral azithromycin and doxycycline
Which tests should be done in a patient with PID?
Test for chlamydia and gonorrhoea (swabs)
Which antibiotic regimen is recommended for PID?
Ceftriaxone 500 mg IM
Doxycycline 100 mg BD for 14 days
Metronidazole 400 mg BD for 14 days
Alternative: ofloxacin + metronidazole
How should sexual contacts of someone with PID be treated?
Single dose azithromycin 1 g
List some investigations that may be used in syphilis.
Serology
Dark field microscopy or PCR
Non-treponemal: rapid plasma reagin (RPR) or VDRL
Treponemal: EIA, treponema pallidum particle or haemagglutination assay (TPPA/TPHA)
How is syphilis treated?
IM Benzathine penicillin
What are some indication for elective C-section in women with HIV in pregnancy?
Detectable HIV viral load >50
HCV coinfection
PROM
How should urinary incontinence be investigated?
Bladder diaries for at least 3 days
Vaginal examination (check for pelvic organ prolapse and control of pelvic floor muscles)
Urine dipstick and culture
List the steps in the management of urge incontinence.
1 - bladder retraining for 6 weeks
2 - bladder stabilising drugs (e.g. oxybutynin, tolteridone) se - blurred vision, dry mouth, constipation, urinary retention
3 - mirabegron (for elderly)
4 - surgical (botox injection, percutaneous tibial nerve stimulation, sacral nerve stimulation)
List the steps in the management of stress incontinence.
1 - pelvic floor muscle training for 8 contractions, 3 times a day for 3 months
Medical - duloxetine (enhances sphincter tone) - se is nausea
Surgical - retropubic midurethral tape, bulking, autologous fascial slings, Burch colposuspension, periurethral injection
List some conservative and medical approaches to managing vaginal prolapse.
Lifestyle - lose weight if BMI > 30kg/m^2, avoid heavy lifting, prevent/treat constipation
Pelvic floor exercises - 16 week course
Oestrogens (pill, patch, cream) - helps symptom relief if woman also has signs of vaginal atrophy
Vaginal ring pessary (replaced every 6 months)
Which investigation would help confirm a diagnosis of ovarian torsion?
Pelvic USS (may show free fluid, whirlpool sign, oedematous ovary)
How should an asymptomatic ovarian cyst be managed?
simple and small (<50 mm diameter) = likely to be physiological and likely to resolve within 3 menstrual cycles. do not require follow up.
simple of 50-70mm diameter = yearly ultrasound follow up
> 70mm diameter = require further imaging i.e MRI or surgical intervention (laparoscopic cystectomy)
- if the mass is large with solid components (e.g dermoid cyst) may need laparotomy
What long-term side-effect is associated with GnRH analogue use?
Osteoporosis
What is the gold-standard investigation for endometriosis?
Diagnostic laparoscopy
Look out for ‘powder burn spots’ on the pelvic peritoneum
Outline the management options for endometriosis.
1st line symptomatic relief: NSAIDs and/or paracetamol
COCP and progestogens (e.g. LNG-IUS)
GnRH analogues
Surgery (laparoscopic excision or ablation) - may improve fertility
Which investigations would be considered in a patient with chronic pelvic pain?
Genital tract swab
Pelvic USS
MRI
Laparoscopy (gold standard)
How should a woman with cyclical pelvic pain and no abnormalities on USS or pelvic examination be treated?
Therapeutic trial of hormonal treatment to suppress ovarian function for 3-6 months (COCP, LNG-IUS, progestogens, GnRH analogues)
Which investigations should be performed in a patient with post-coital bleeding/intermenstrual bleeding?
Speculum
Smear
Swabs for STIs
How might cervical ectropion be treated?
Change from oestrogen-based contraceptives
Cervical ablation (cryocautery)
Which investigations are useful for suspected endometrial polyps?
TVUSS
Hysteroscopy (and saline infusion sonography)
How are endometrial polyp managed?
Some small polyps resolve spontaneously
Polypectomy may be recommended to relieve AUB symptoms and optimise fertility
How is Asherman’s syndrome managed?
Surgical breakdown of intrauterine adhesions
2 cycles of cyclical oral oestrogen and progesterone given after to aid endometrial proliferation
List some examples of GnRH analogues.
Triptorelin, goserelin, buserelin