OBS AND GYNAE Flashcards
how should medical abortion before 10 weeks be conducted?
- interval treatment (usually 24 to 48 hours) with mifepristone and misoprostol
- For women who are having a medical abortion up to and including 9+0 weeks’ gestation, give them the choice of having mifepristone and vaginal misoprostol
how should medical abortion between 10+1 and 23+6 weeks be conducted?
-200 mg mifepristome, offer an initial dose (36 to 48 hours after the mifepristone) of:
-800 micrograms of misoprostol given vaginally, or
600 micrograms of misoprostol, given sublingually, for women who decline vaginal misoprostol.
-Follow the initial dose with 400 microgram doses of misoprostol (vaginal, sublingual or buccal), given every 3 hours until expulsion.
how should medical abortion after 23+6 weeks be conducted?
- between 24+0 and 25+0 weeks’ gestation, consider 200 mg oral mifepristone, followed by 400 micrograms misoprostol (vaginal, buccal or sublingual) every 3 hours until delivery.
- between 25+1 and 28+0 weeks’ gestation, consider 200 mg oral mifepristone, followed by 200 micrograms misoprostol (vaginal, buccal or sublingual) every 4 hours until delivery.
- after 28+0 weeks’ gestation, consider 200 mg oral mifepristone, followed by 100 micrograms misoprostol (vaginal, buccal or sublingual) every 6 hours until delivery.
what are the clinical features of adenomyosis?
-painful, regular, heavy menstruation
what investigations should be conducted to diagnose adenomyosis?
- TVS
- MRI
how is adenomyosis treated?
- Consider an LNG-IUS as the first treatment
- tranexamic acid
- NSAIDs
- combined hormonal contraception
- cyclical oral progestogens.
- second-generation endometrial ablation
- hysterectomy.
define primary amenorrhoea
- the failure to establish menstruation
- by 15 years of age in girls with normal secondary sexual characteristics (such as breast development)
- by 13 years of age in girls with no secondary sexual characteristics.
what are the causes of primary amenorrhoea with normal secondary sexual characteristics?
- physiological causes
- genito-urinary malformations (such as imperforate hymen, transverse septum, and absent vagina or uterus)
- endocrine disorders (such as hypothyroidism, hyperthyroidism, hyperprolactinaemia, and Cushing’s syndrome).
what are the causes of primary amenorrhoea with no secondary sexual characteristics?
- primary ovarian insufficiency (POI) due to chromosomal irregularities (for example, Turner’s syndrome)
- hypothalamic-pituitary dysfunction (for example, due to stress, weight loss, and/or excessive exercise [functional hypothalamic amenorrhoea]).
how is primary amenorrhoea caused by functional hypothalamic-pituitary dysfunction managed?
- For weight-related amenorrhoea, encourage weight gain and refer to a dietician if necessary.
- For exercise-related amenorrhoea, advise reducing exercise, increasing calorie intake, and weight gain.
- For stress-related amenorrhoea, consider measures to manage stress and improve coping strategies, such as cognitive behavioural therapy.
define secondary amenorrhoea
- the cessation of menstruation for 3–6 months in women with previously normal and regular menses, or for 6–12 months in women with previous oligomenorrhoea.
what are the causes of secondary amenorrhoea?
- pregnancy, lactation and menopause
- hypothalamic dysfunction
- ovarian insufficiency
- PCOS
- cushings
- CAH
- androgen secreting tumours
what are the clinical features of placenta praaevia?
-intermittent painless bleeds
what are the clinical features of placenta percreta?
- haematuria
- blood PR
how is placenta praaevia diagnosed?
-TVS
how is placenta praaevia managed?
- Late preterm (34+0 to 36+6 weeks of gestation) delivery should be considered for women presenting with placenta praevia or a low‐lying placenta and a history of vaginal bleeding or other associated risk factors for preterm delivery
- For women presenting with uncomplicated placenta praevia, delivery should be considered between 36+0 and 37+0 weeks of gestation.
- In the absence of risk factors for preterm delivery in women with placenta accreta spectrum, planned delivery at 35+0 to 36+6 weeks of gestation provides the best balance between fetal maturity and the risk of unscheduled delivery
- delivery must be by c-section
how is haemorrhage associated with placenta praaevia managed?
- pharmacological measures
- intrauterine tamponade and/or surgical haemostatic techniques
- Interventional radiological techniques should also be urgently employed where possible.
- Early recourse to hysterectomy is recommended if conservative medical and surgical interventions prove ineffective.
what are the clinical features of endometriosis?
- Dysmenorrhoea
- Chronic or cycling pelvic pain
- Dyspareunia
- Subfertility
- Uterosacral ligament nodularity
- Fixed retroverted uterus
- Dysuria, flank pain and haematuria
- Dyschezia and haematochezia
how is endometriosis diagnosed?
- TVS
- gold standard is diagnostic laparascopy
what is the medical management of endometriosis?
- NSAIDs and paracetamol
- COC in tricycling regime
- POP on a cyclical or continuous basis or mirena coil
- GnRH agonists
what is the surgical management of endometriosis?
- see and treat during diagnostic lap
- removal of endometriomas
- hysterectomy with bilateral salpingo-oophorectomy
What increase in HCG in a pregnancy of unknown location is suggestive of developing intrauterine pregnancy?
63%
what are the clinical features of an ectopic pregnancy?
- Abdominal pain
- Amenorrhoea
- Scanty, dark vaginal bleeding
- Collapse
- Shoulder tip pain
- Tachycardia and haemodynamic instability
- Rebound tenderness
- Cervical motion tenderness
how is ectopic pregnancy diagnosed?
- TVS
- Serum hCG: >1000 and not visible on USS, and hCG will plateau or decrease
Which patients can have expectant management for ectopic pregnancy?
- clinically stable and pain free
- tubal ectopic pregnancy measuring less than 35 mm with no visible heartbeat on transvaginal ultrasound scan,
- serum hCG levels of 1,000 IU/L or less
- able to return for follow-up.
- repeat hCG levels on days 2, 4 and 7 after the original test
what is the medical management for ectopic and who should it be offered to?
- systemic methotrexate
- no significant pain
- an unruptured ectopic pregnancy with an adnexal mass smaller than 35 mm with no visible heartbeat
- a serum hCG level less than 1500 IU/litre
- do not have an intrauterine pregnancy (as confirmed on an ultrasound scan)
- able to return for follow-up.
who should be offered surgical management of an ectopic pregnancy?
- significant pain
- adnexal mass 35mm or larger
- fetal heartbeat on USS
- hCG >5000
what are the risk factors for placental abruption?
- IUGR
- Pre-eclampsia
- autoimmune disease
- maternal smoking
- cocaine
- Previous history
- multiple pregnancy
- non-vertex presentations
- polyhydramnios
- advanced maternal age
- low BMI
- assisted reproductive techniques
- intrauterine infection
- high parity
what are the clinical features of placental abruption?
- painful, dark bleeding
- tachycardia
- woody hard uterus
- fetal distress
how is placental abruption managed?
- manage APH
- if foetal compromise, c-section
- ergometrine-oxytocin in third stage of labour
how is vasa praaevia managed?
- if confirmed, elective c-section prior to onset of labour
- if VP with PROM, c-section
- if asymptomatic, planned c-section at 34-36 weeks gestation
what is primary dysmenorrhoea?
-painful menstruation occurs in the absence of any identifiable underlying pelvic pathology.
what is secondary dysmenorrhoea?
-painful menstruation caused by pelvic pathology
what are the clinical features of primary dysmenorrhoea?
- onset 6-12 months after menarche
- Pain, usually cramping in nature, occurs in the lower abdomen but may radiate to the back and inner thigh.
- Pain starts shortly before the onset of menstruation and lasts for up to 72 hours, improving as the menses progresses.
- Non-gynaecological symptoms, such as nausea, vomiting, diarrhoea, fatigue, irritability, dizziness, bloating, headache, lower back pain, and emotional symptoms, are present.
what are the clinical features of secondary dysmenorrhoea?
- Pain starts after several years of painless periods.
- Pain is not consistently related to menstruation alone but is exacerbated by menstruation.
- Other gynaecological symptoms, such as dyspareunia, vaginal discharge, menorrhagia, intermenstrual bleeding, and postcoital bleeding.
- Non-gynaecological symptoms, such as rectal pain and bleeding (which may be associated with endometriosis).
how is primary dysmenorrhoea managed?
- NSAIDs and paracetamol
- COC pill, POP, P injection or IUS
- heat and TENS
how is a breech presentation managed?
- ECV from 37 weeks
- c-section
- vaginal breech birth
what are the contraindications to ECV?
- foetal compromise
- other contraindications to vaginal delivery
- twins
- ruptured membranes
- recent APH
what are the risk factors for hyperemesis gravidarum?
- Family or previous personal history
- Multiple gestation
- Gestational trophoblastic disease
- Thyroid disease
what is seen on investigation in hyperemesis gravidarum?
- ketonuria
- dehydration
- hypo/hyperkalaemia
- hyponatraemia
how is hyperemesis gravidarum managed?
- IV rehydration with NaCl and KCl
- anti-emetics such as cyclizine, promethazine or prochlorperazine
- ondansetron and metoclopramide are second line
- thiamine supplementation
- corticosteroids if severe
what are the clinical features of gestational trophoblastic disease?
- Large uterus
- Heavy vaginal bleeding
- Exacerbated symptoms of pregnancy
- Hypertension
- Pelvic pain
- Hyperemesis
- Early pre-eclampsia and hyperthyroidism may occur.
what is seen on TVS in a complete molar pregnancy?
-snowstorm’ appearance of the swollen villi
how is gestational trophoblastic disease managed?
- ERPC
- Chemotherapy according to the FIGO 2000 system:
—6 or less, IM MTX with folowinic acid
—7 or more IV MTX, dactinomycin, etoposide, cyclophosphamide and vincristine
define miscarriage
foetus dies or delivers dead before 24 completed weeks of pregnancy.
define threatened miscarriage
-There is bleeding but the foetus is still alive, the uterus is the size expected from the dates and the os is closed.
define inevitable miscarriage
- Bleeding is usually heavier
- Although the foetus may still be alive, the cervical os is open
define incomplete miscarriage
-Some foetal parts have been passed, but the os is usually open
define complete miscarriage
- All foetal tissue has been passed.
- Bleeding has diminished
- the uterus is no longer enlarged
- the cervical os is closed.
define septic miscarriage
- The contents of the uterus are infected, causing endometritis.
- Loss is usually offensive, the uterus is tender, but a fever can be absent.
- If pelvic infection occurs there is abdominal pain and peritonism.
define missed miscarriage
The foetus has not developed or died in utero, but this is not recognized until bleeding occurs or ultrasound is performed
how is a miscarriage diagnosed?
- failure of hCG to increase by >66% in 48h
- no foetal heartbeat and crown-rump length of <7mm
what is the medical management of miscarriage?
- vaginal misoprostol for missed or incomplete miscarriage.
- with an incomplete miscarriage, use a single dose of 600 micrograms misoprostol.
- For women with a missed miscarriage, use a single dose of 800 micrograms of misoprostol.
what are the clinical features of vulval carcinoma?
- Pruritus
- Bleeding
- Discharge
- A mass
- Vulval Pain
how is vulval carcinoma managed?
- For Stage 1a disease, wide local excision is adequate, without inguinal lymphadenectomy.
- For other stages, wide local excision and groin lymphadenectomy through separate ‘skin sparing’ incisions is performed—so-called triple incision radical vulvectomy.
- If the tumour does not extend to within 2cm of the mid-line, unilateral excision and lymphadenectomy only are used.
define recurrent miscarriage
three or more miscarriages occur in succession
what are the causes of recurrent miscarriage?
- APS
- Chromosomal defects
- anatomical factors
- cervical incompetence
how is recurrent miscarriage managed?
- APS: aspirin and LMWH
- karyotyping
- cervical cerclage for cervical incompetence
when should a cervical smear not be taken?
- menstruating.
- less than 12 weeks postnatal.
- less 12 weeks after a termination of pregnancy, or miscarriage.
- vaginal discharge or pelvic infection
how should HPV positive results be managed?
- negative cytology: repeat in 12 months, of this remains then a further repeat at 12 months, before return to routine recall if normal
- if becomes positive, refer to colposcopy
how is inadequate cytology on cervical screening managed?
- repeat in 3 months unless on 24 month repeat for HPV positive (refer to colposcopy)
- 2 consecutive, refer to colposcopy
what are the clinical features of cervical cancer?
- Postcoital bleeding
- Offensive vaginal discharge
- IMB or postmenopausal bleeding (PMB)
- Pain is not an early feature.
- In the later stages of the disease, involvement of ureters, bladder, rectum and nerves causes uraemia, haematuria, rectal bleeding and pain, respectively.
- An ulcer or mass may be visible or palpable on the cervix.
- With early disease, the cervix may appear normal to the naked eye.
what are the risk factors for cervical cancer development?
- HPV infection
- HIV
- Early onset sexual activity with multiple partners
- Cigarette smoking
- Immunosuppression
how is stage 1A2-2A cervical cancer managed?
- For tumours 4 cm or less, radical hysterectomy with lymphadenectomy is preferred to chemoradiation.
- For tumours larger than 4 cm, chemoradiation is preferred.
- If the woman wishes to preserve her fertility, then depending on the stage and whether lymphatic-vascular space invasion is present, radical trachelectomy and lymphadenectomy may be considered instead of radical hysterectomy for tumours smaller than 2 cm.
how is stage IIB-IVA cervical cancer managed?
-chemoradiation
how is stage IVB cervical cancer managed?
- Combination chemotherapy is the treatment of choice.
- Alternatively, single agent therapy and palliative care may be suitable.
what are the risk factors for endometrial carcinoma?
- Overweight and obesity
- Age >50
- Unopposed endogenous oestrogen (anovulation, low parity, early menarche, late menopause, granulosa cell tumours and obesity)
- Unopposed exogenous oestrogen (HRT)
- Tamoxifen use
- Family history of endometrial, breast or ovarian cancer
- HNPCC or PTEN syndromes
- PCOS
- Radiotherapy
how is endometrial hyperplasia with atypia managed?
- The discovery of atypia is unusual in women of reproductive age, but if the uterus must be preserved, progestogens
- Review intervals should be every 3 months until two consecutive negative biopsies are obtained, followed by biopsy every 6-12 months
- Otherwise hysterectomy is indicated, with bilateral salpingo-oophorectomy in post-menopausal women
what are the clinical features of endometrial cancer?
- Postmenopausal bleeding
- Premenopausal patients have irregular or intermenstrual bleeding (IMB), or, occasionally, only recent-onset menorrhagia.
- Uterine mass or fixed uterus
- Pain
- Weight loss
- Vaginal discharge
- Haematuria (with high blood glucose, low haemoglobin, thrombocytosis and vaginal dischare)
- The pelvis often appears normal and atrophic vaginitis may coexist.
how is stage 1a endometrial cancer managed?
- total hysterectomy with bilateral salpingo-oophorectomy and lymphadenectomy
- adjuvant vaginal brachytherapy
- if requiring fertility preservation, offer megestrol therapy with aggressive monitoring
how is stage 1b-2 endometrial cancer managed?
- total hysterectomy with bilateral salpingo-oophorectomy and lymphadenectomy
- If high-intermediate risk, offer vaginal brachytherapy and chemotherapy with paclitaxel and carboplatin
- If high risk, offer chemotherapy with paclitaxel and carboplatin and external beam radiotherapy
how is stage 3-4 endometrial cancer managed?
- total hysterectomy with bilateral salpingo-oophorectomy and lymphadenectomy
- chemotherapy with paclitaxel and carboplatin and external beam radiotherapy
what are the clinical features of ovarian cysts?
- Pelvic pain
- Bloating and early satiety
- Palpable adnexal mass
what are the risk factors for ovarian cysts?
- Pre-menopausal
- Early menarche
- First trimester of pregnancy
- Personal history of infertility of PCOS
- Tamoxifen
- Endometriosis
what tumour markers in germ cell tumours?
- lactate dehydrogenase
- alpha fetoprotein
- hCG
how are ovarian cysts managed in pre-menopausal women?
- Women with small (less than 50 mm diameter) simple ovarian cysts generally do not require follow-up
- Women with simple ovarian cysts of 50–70 mm in diameter should have yearly ultrasound follow-up and those with larger simple cysts should be considered for either further imaging (MRI) or surgical intervention.
- Ovarian cysts that persist or increase in size are unlikely to be functional and may warrant surgical management: Aspiration of ovarian cysts, either vaginally or laparoscopically
how are ovarian cysts managed in post-menopausal women?
- Asymptomatic, simple, unilateral, unilocular ovarian cysts, less than 5 cm in diameter, in the presence of normal serum CA125 levels, these cysts can be managed conservatively, with a repeat evaluation in 4–6 months.
- All ovarian cysts that are suspicious of malignancy in a postmenopausal woman, as indicated by a RMI I greater than or equal to 200, CT findings, clinical assessment or findings at laparoscopy, require a full laparotomy and staging procedure.
what are the clinical features of ovarian torsion?
- Acute lower abdominal pain
- Nausea, vomiting or diarrhoea
- Abdominal and pelvic tenderness
- Palpable adnexal mass
- Rebound tenderness and guarding
how is ovarian torsion diagnosed?
-Perform TVS with doppler: enlarged ovary; diminished or absent blood flow to the ovary
how is ovarian torsion managed?
- Perform urgent surgical detorsion with salpingo-oophorectomy if ovary is no longer viable or there is suspected malignancy
- Among adolescents and women of reproductive age, oophoropexy may reduce recurrence
- Ovarian cystectomy is recommended if a cyst is present
define polycystic ovary
- characteristic transvaginal ultrasound appearance
- multiple (12 or more)
- small (2–8 mm) follicles
- enlarged (>10 mL volume) ovary.
how is PCOS diagnosed?
- 2/3 rotterdam criteria
- raised testosterone
- low/normal SHBG
- USS of ovaries: PCO
what are the clinical features of PCOS?
- acne
- hirsutism
- oligomenorrhoea or amenorrhoea
how is oligo/amenorrhoea in PCOS managed?
- Prescribe a cyclical progestogen (such as medroxyprogesterone 10 mg daily for 14 days) to induce a withdrawal bleed
- TVS for endometrial thickness, if normal:
- –A cyclical progestogen, such as medroxyprogesterone 10 mg daily for 14 days every 1–3 months.
- –A low-dose combined oral contraceptive (COC).
- –The levonorgestrel-releasing intrauterine system (LNG-IUS).
how is acne managed in PCOS?
- COC
- topical Abx or retinoids
- oral Abx
how is ovulation induced in PCOS?
- Clomifene
- metformin
what are the clinical features of fibroids?
- Asymptomatic
- Menorrhagia
- Irregular, firm, central pelvic mass
- Pelvic pain
- Pelvic pressure
- Dysmenorrhoea
- Bloating
- Infertility
- Urinary frequency and retention
what is the medical management of fibroids?
- TXA, NSAIDs for menorrhagia
- IUS (levonorgestrel)
- GnRH agonists with add back HRT
what is the surgical management of fibroids?
- myomectomy
- hysterectomy
- uterine artery embolisation
define chronic pelvic pain
- intermittent or constant pain in the lower abdomen or pelvis
- of at least 6 months’ duration
- not occurring exclusively with menstruation or intercourse.
what are the clinical features of chronic pelvic pain?
- Dysuria
- Dyspareunia
- Dysmenorrhoea
- Abdominal trigger points
- Levator ani tenderness
- Cervical motion tenderness with upper pelvic organ involvement
- Uterine and abdominal tenderness
- Abdominal pain
- Incomplete voiding
what are the risk factors for chronic pelvic pain?
- sexual abuse
- PID
- Anxiety or depression
- Drug or alcohol abuse
- Pregnancy
- Polymenorrhoea
- Previous c-section
- Endometriosis
- Adhesions from pelvic surgery
define urethrocele
- prolapse of the lower anterior vaginal wall
- involving the urethra only.
define cystocoele
- prolapse of the upper anterior vaginal wall
- involving the bladder
define apical prolapse
prolapse of the uterus, cervix and upper vagina
define enterocoele
prolapse of the upper posterior wall of the vagina
define rectocele
- prolapse of the lower posterior wall of the vagina
- involving the anterior wall of the rectum
what are the clinical features of a prolapse?
- Asymptomatic
- Dragging sensation
- Sensation of a lump
- Back pain
- Bleeding and discharge
- Urinary frequency and incomplete bladder emptying with cystourethrocoele
- Difficulty in defaecating with rectocoele
how is a prolapse managed?
- lifestyle advice
- pelvic floor muscle training
- vaginal pessary
- surgery
what is a 1st degree tear?
-minor damage to the fourchette
what is a 2nd degree tear?
involve perineal muscle.
what is a 3rd degree tear?
- 3a: Less than 50% of external anal sphincter thickness torn
- 3b: More than 50% of EAS torn
- 3c: Both EAD and IAS torn
what is a 4th degree tear?
-involve the anal mucosa.
what are the risk factors for a perineal tear?
- Asian ethnicity
- Nulliparity
- Birthweight greater than 4kg
- Shoulder dystocia
- Occipito-posterior position
- Prolonged second stage of labour
- Instrumental delivery
how can perineal injury be prevented?
- mediolateral episiotomy
- perineal protection at crowning
- warm compression
what are the causes of PID?
- STIs
- uterine instrumentation
what are the clinical features of PID?
- Uterine tenderness
- Cervical motion tenderness
- Adnexal tenderness
- Bilateral lower abdominal pain
- Mucopurulent discharge or vaginal bleeding
- Fever
- Nausea and vomiting
- Deep dyspareunia
how is PID treated?
- analgesia
- low gonorrhoea risk: ceftriaxone and ofloxacin plus metronidazole
- high gonorrhoea risk: ceftriaxone, doxycycline and metronidazole
- remove IUS or IUD if no symptom resolution after 48 hours
what are the clinical features of vulval eczema?
- vulval itch
- soreness
- erythema
- lichenification and excoriation
- fissuring
how is vulval eczema managed?
- emollient soap substitute
- topical corticosteroid
what are the clinical features of lichen simplex?
- vulval itch
- soreness
- Lichenification i.e. thickened, slightly scaly, pale or earthy-coloured skin with accentuated markings, maybe more marked on the side opposite the dominant hand.
- Erosions and fissuring.
- Excoriations as a result of scratching may be seen
- The pubic hair is often lost in the area of scratching
how is lichen simplex managed?
- emollient soap
- topical corticosteroid (potent in lichenified areas)
- hydoxyzine or doxepine at night for itch
what are the clinical features of vulval psoriasis?
- Vulval itch
- Soreness
- Burning sensation
- Well demarcated brightly erythematous plaques
- Often symmetrical
- Frequently affects natal cleft
- Usually lacks scaling due to maceration
- Fissuring
how is vulval psoriasis managed?
- emollient
- topical corticosteroid (weak to moderate)
- coal tar preparations
- Talcalcitol