OBGYN Flashcards
Topics covered at the booking appointment
- Folic acid until 12 weeks
- Smoking
- Dietary advice
- Alcohol advice
- Recreational drug advice
- Physical activity and exercise
- Screening options
Risks of maternal smoking during pregnancy
- Infertility
- Miscarriage
- Preterm birth
- IUGR
- Neonatal RDS
- Cot death
- Club foot
- Palate defects
- Childhood asthma and ear infections
- Increased hospital admissions in first year of life
Dietary advice given to pregnant women
- Do not eat raw eggs
- Wash all fruits and veg
- Cook meat and shellfish thoroughly
- Avoid large quantities of liver and pate
- Avoid soft cheese
- Eat foods high in folic acid
- Take a vit D supplement
- AVOID vit A supplements
Factors which should be assessed at each 2nd trimester appointment
- Maternal physical and emotional wellbeing
- Maternal social situation
- Maternal BP
- Maternal urinalysis
- Pain/weight loss
- Auscultation of foetal heart from 18 weeks
Additional factors to include in 3rd trimester appointments
- Abdominal exam
- Assessment of foetal presentation
- Evaluation of foetal growth with SFH
- Enquiry about foetal movements
- CTG and US to identify foetal heart rate and movements
- Hypertension/preeclampsia screen
- FBC
- Red cell antibody screen at 28 weeks
What is included in the Dating scan
- History
- Examination
- Abdo exam
- BMI
- Obs
- Urinalysis
- FBC
- Blood group
- Antibody screen
- Rubella, Hep B, Hep C status
- Hb electrophoresis
- Syphillis and HIV screen
- Blood glucose
- Abdo US
- STI screen in <25s
- U&Es in hyperemesis
Aims of the dating scan
- Identify risk factors
- Screen for illness/abnormalities
- Screen for symptoms
- Confirm pregnancy viability
- Confirm number of babies and chorionicity/amnionicity
- Detect gross foetal anomalies
- Establish gestational age
- Trisomy screening
Components of the Down syndrome screen offered after 14 weeks
- AFP
- B-hCG
- Oestriol
- Inhibin A
Aims of the foetal anomaly scan
- Identify structural abnormalities
- identify foetal gender
Indications for maternal Rhesus Anti-D in a Rhesus negative mother
Dose given as soon as possible after the event, within 72 hours
- Routinely given at 28 and 34 weeks
- CVS/Amniocentesis
- Miscarriage management
- Threatened miscarriage after 12 weeks gestation
- Ectopic pregnancy
- After birth if baby is Rhesus positive
- ECV
- Abdominal trauma
- Antepartum haemorrhage
- TOP
- Delivery
- Stillbirth
Features of amniocentesis
- Performed after 15 weeks
- Miscarriage risk: 1%
Features of CVS
- Performed after 10 weeks
- Miscarriage risk: 1.5-2%
Risk factors for foetal anomalies
- Maternal age
- FH
- Consanguinity
- Maternal pre-existing diabetes or epilepsy
Contra-indications for the COCP
- Current or previous VTE
- FH of VTE
- Major surgery with prolonged immobilisation
- Immobility
- Thombogenic mutations
- Smokers age >35
- Current or previous vascular disease
- Liver disease
- Migraine with aura
- Postpartum breastfeeding
Side effects of COCP
- Increased risk of VTE and vascular disease
- Small increase in risk of breast and cervical cancer
- Interacts with anti-epileptics, antiretrovirals, some antibiotics, St johns wort
Benefits of the COCP
- Reduced risk of ovarian, endometrial and colorectal cancer
Side effects of POP
- Irregular bleeding
- Abdo bloating
- Weight changes
- Acne
- Headache
- Mood changes
- Interacts with anti-epileptics, antiretrovirals, some antibiotics, St johns wort
Side effects of progesterone injection
- WEIGHT GAIN
- Unpredictable bleeding then amenorrhoea
- DELAY IN RETURN OF FERTILITY for up to 1 year
- REVERSIBLY LOSS OF BONE MINERAL DENSITY
How long does the progesterone injection last?
12 weeks
How long does the progesterone implant last?
3 years
Side effects of the progesterone implant
- Changes in bleeding pattern
- Risk of deep insertion
How long does the progesterone IUS last?
3-5 years
Contraindications to the IUS
- 48 hours-4 weeks postpartum
- Organ transplant
- Post-abortion sepsis
- Long QT syndrome
- Unexplained vaginal bleeding
- HIV with CD4 <200
- Gestational trophoblastic neoplasia
- Cervical or endometrial cancer
- Radical trachelectomy
- Current STI/PID
- Known pelvic TB
- Structural uterine anomalies
- Postpartum sepsis
- Current/previous breast cancer
- Severe decompensated liver cirrhosis
- HCC
Side effects of IUS/IUD
- Discomfort
- Irregular bleeding - HEAVIER BLEEDING IN IUD
- Uterine perforation
- Expulsion
- Lost threads
- Pelvic infection
- Increased risk of ectopic pregnancy
Contraindications to IUD
- 48 hours-4 weeks postpartum
- Organ transplant
- Post-abortion sepsis
- Long QT syndrome
- Unexplained vaginal bleeding
- HIV with CD4 <200
- Gestational trophoblastic neoplasia
- Cervical or endometrial cancer
- Radical trachelectomy
- Current STI/PID
- Known pelvic TB
- Structural uterine anomalies
- Postpartum sepsis
How long after unprotected sex can levonorgestrel be used?
72 hours (PRIOR to ovulation)
How long after unprotected sex can ulipristal acetate be used?
5 days after unprotected intercourse or 5 days after earliest likely date of ovulation
Contraindications for ulipristal acetate
- Liver enzyme-inducing drugs
- Severe asthma controlled by oral steroids
- Breast-feeding women: discard milk for 1 weeks after taking
How long after taking ulipristal acetate must a woman wait to start using hormonal contraception?
5 days
How long after unprotected sex can the copper IUD be used?
5 days after unprotected intercourse or 5 days after earliest likely date of ovulation
Causes of high hCG/hyperemesis gravidarum
- Multiple pregnancy
- Molar pregnancy
- Germ cell tumours
Prevalence of miscarraige
1 in 4
Risk factors for miscarriage
- Obesity
- Age >35
- History of IUD, Ashermann’s
- Maternal illness
- CVS or amniocentesis
- Uterine malformation
- Bac vag
- Thrombophilia
- Smoking
- Alcohol
Clinical features of miscarriage
- PV bleeding
- Suprapubic pain
- Recent post-coital bleed
- Asymptomatic
Investigations for suspected miscarriage
- Urine pregnancy test
- FBC and blood group
- Serum BhCG
- Transvaginal US
Management of a miscarraige
- Watchful waiting
- Medical management: single dose vaginal misoprostol
- Surgical evacuation
Follow up after a miscarriage
- Pregnancy test in 3 weeks - if this is positive, US scan to confirm uterus is empty
Prevalence of recurrent miscarraige
1%
Define recurrent miscarriage
3 or more consecutive miscarriages
Causes for recurrent miscarriage
- Parental genetic anomaly
- Uterine abnormality
- PCOS
- Antiphospholipid syndrome
- Thrombophilia defects
- Cervical incompetence
- Bac vag
Prevalence of ectopic pregnancy
1%
Define an ectopic pregnancy
A pregnancy which has implanted outside the uterine cavity, most commonly in the ampulla of the Fallopian tube
Sites of ectopic pregnancy
- Cervix
- Fallopian tubes
- Ovary
- C-section scar
- Intra-abdominally
Risk factors for ectopic pregnancy
- PID
- Previous ectopic
- Tubal surgery
- Peritonitis
- Previous pelvis surgery
- IUD in situ
- IVF/infertility
- Endometriosis
- POP
- In utero exposure of mother to diethylsillboestrol
- Smoking
Clinical features of ectopic pregnancy
- Abdo pain
- Shoulder tip pain
- Amenorrhoea
- Vaginal bleeding
- Bowel upset
- Adnexal tenderness/mass
- Blood in vaginal vault
- Circulatory shock/collapse
Investigations in ectopic pregnancy
- Urine/serum hCG (lower than expected)
- High resolution TVUS: ‘donut sign’ or ‘ring of fire’
- TAUS
- Laparoscopy
Management options for ectopic pregnancy
- Watchful waiting
- Methotrexate IM or direct injection
- Surgery: salpingectomy, salpingotomy
Indications for watchful waiting in ectopic pregnancy
- hCG <1500 and falling
- No foetal heartbeat
- Reliable patient
- Minimal symptoms
Indications for methotrexate in ectopic pregnancy
- Tube intact
- Mass <3.5cm
- hCG <1500
Side effects of methotrexate management of an ectopic
- Can’t conceive for 3 months
- Bone marrow suppression (CI in active infection)
- Stomatitis
- Requires follow up with FBC, LFTs, u&Es, hCG on day 1 and 4
Indications for surgical management in ectopic pregnancy
- Significant pain
- Mass >3.5cm
- Foetal heartbeat on US
- hCG >5000
- Failed medical management
- Haemodynamically unstable
- Significant free fluid
Follow up required after management of an ectopic pregnancy
- Serial B-hCG levels
- Urine pregnancy test at 3 weeks
Prevalence of molar pregnancies
1 in 1000
Clinical features of a molar pregnancy
- Early PV bleeding
- Vaginal discharge
- Abdo pain
- Hyperemesis gravidarum
- Large for dates uterus
Investigations for a molar pregnancy
- US scan: ‘bunch of grapes’
- Histopathology
- Serum hCG (very high)
Management of molar pregnancy
Surgical uterine evacuation
Follow up for molar pregnancy
- 2-weekly serum BhCG for 6 months after evacuation or from first normal hCG level
- If levels rise or plateau, methotrexate must be started
Define SGA
A foetus whose estimated weight or birth weight is below the 10th centile
Define FGR
A foetus which fails to reach it’s genetic growth potential
Risk factors for SGA/FGR babies
- Maternal age >40
- Smoking >10/day
- Cocaine
- Previous SGA baby
- Previous stillborn baby
- Chronic hypertension
- Diabetes with vascular disease
- Renal impairment
- Antiphospholipid syndrome
- Threatened miscarriage
- Preeclampsia
- Placental abruption
- Unexplained antepartum haemorrhage
- Abnormal uterine artery Doppler
- Low PAPP-A
- Hyperechogenic foetal bowel
- Foetal chromosomal or structural anomalies
- Maternal malnutrition
Screening for mothers with ?SGA babies
Serial US foetal biometry from 26-28 weeks onward
Normal SFH
Approximately equal to gestational age +/- 2cm
Management of ?SGA/FGR babies
- Screening by serial US scans
- US confirmation
- Exclusion of foetal anomaly
- Doppler studies
- Monitor as appropriate
- Deliver if foetal demise is anticipated
Complications of FGR
- Stillbirth
- Birth hypoxia
- Operative delivery
- Neonatal complications
- Impaired neurodevelopment
- T2DM and coronary artery disease in adult life
Risk factors for bacterial vaginosis
- excessive washing/douching
- sexual activity
- recent change in sexual partner, frequent changes, multiple regular partners
- no condom use
- history of STIs
- smoking
- IUD
- Afro-Caribbean ethnicity
- Prolonged/heavy periods
- Hormonal changes
- Recent use of antibiotics
Clinical features of BV
- Watery grey fishy discharge, particularly after sex or after a period
- painless, no itch
- dyspareunia
- vaginal pH >4.5
- Vaginal discharge swab: clue cells
Management of BV
7 days PO metronidazole
Complications of BV
- Vaginal vault infection following hysterectomy
- postpartum endometritis following C-section
- PID after surgical TOP
- HIV infection
Risk factors for thrush
- Pregnancy
- Hormonal contraception
- Diabetes
- Immunosuppression
- Recent antibiotics
- Vulval irritation/trauma
Clinical features of candida infection
- Vaginal itching or pain
- Dyspareunia
- Dysuria
- Thick white cottage cheese discharge
Diagnosis of candida
- Clinical
- Vaginal discharge swab
Management of candida
- Clotrimazole pessary + cream
- PO Fluconazole + clotrimazole cream
Risk factors for chlamydia
- Age <25
- Sexual activity with infected partner
- New sexual partner
- Multiple sexual partners
- History of STIs
- No condoms
Clinical features of chlamydia
- Asymptomatic
- Cervical cloudy yellow discharge
- Friable cervix
- Abnormal vaginal bleeding
- penile/vaginal discharge: odourless mucoid or mucopurulent
- Dysuria
- Scrotal pain
- lower abdo pain
- Dyspareunia
Diagnosis of chlamydia
- Vaginal swab/first void urine for NAAT
Management of chlamydia
10 days PO doxycycline (azithromycin in pregnancy)
Complications of chlamydia
- PID/tubal infertility
- Chronic pain
- Epididymitis
- Prostatitis
- Reactive arthritis
- Skene’s and Bartholin’s abscesses
- Endometritis/salpingitis/peripherpatitis
- Miscarriage
- Preterm birth
- Postpartum infection
- Neonatal ocular and respiratory infection
Risk factors for gonorrhoea
- Age 15-24
- Black ancestry
- Current/past history of STIs
- Multiple recent sexual partners
- Inconsistent condom use
- MSM
- Partners with risk factors
- History of physical or sexual abuse
Clinical features of gonorrhoea
- Asymptomatic
- Mucopurulent discharge
- Friable cervix
- Pelvic pain
- Post-coital/inter-menstrual bleeding
- Lower abdo pain
- Urethral irritation/dysuria
- Rectal bleeding
- Pharyngitis
Diagnosis of gonorrhoea
- Vaginal swab/first void urine for NAAT
Management of gonorrhoea
IM ceftriaxone + oral azithromycin
Complications of gonorrhoea
- PID
- Chronic pelvic pain
- Male infertility
- Prostatitis
- Bartholinitis
Risk factors for herpes
- HIV
- Immunosuppression
- High risk sexual behaviour
Clinical features of herpes
- Asymptomatic
- Painful genital ulcers
- dysuria
- Painful inguinal lymphadenopathy
- Tingling sensation
- Oral ulcers
- Systemic upset
Investigations in herpes
- HSV PCR or viral culture from lesions
- Glycoprotein G1 and 2: useful to assess risk in asymptomatic pregnant women
Management of herpes
- Oral Aciclovir for 5 days within 3 days of symptom onset (10 days and higher doses for immunosuppression)
- PO Aciclovir for 3 days in recurrent episodes
Risk factors for HIV
- IVDU
- Unprotected sexual intercourse, especially MSM
- Tattoos, piercing
- Blood transfusion
Clinical features of HIV
- Fevers/night sweats
- Unexplained weight loss
- Skin rashes and post-inflammatory scars
- Mouth ulcers, angular chellitis, oral thrush, oral hairy leukoplakia
- Diarrhoea
- Wasting syndrome
- Changes in mental state or neuropsychiatric function
- Generalised lymphadenopathy
Investigations for HIV
- Serum HIV rapid test: may be falsely negative in first month
- CD4+ cell count
- Serum viral load
- Other BBV testing
Management of HIV
3 antiretrovirals
Indications for PrEP
- Regular partner with detectable HIV load
- MSM and transgender women who have had unprotected anal sex with more than one partner in the last year
- Rectal STIs
- Anyone else at equivalent risk
When can PEPSE be used?
For up to 72 hours post-exposure to HIV
Cause of genital warts
HPV 6 and 11
Clinical features of genital warts
- Asymptomatic warts round vaginal or penile opening
- Itching, bleeding or pain
Diagnosis of genital warts
- Clinical
- Biopsies if lesions bleed, are ulcerated or indurated
Management of genital warts
1) Topical podophyllotoxin or imiquimod
2) Cryotherapy or surgical excision
Complications of genital warts
- Anogenital cancer
- Head and neck cancer
- Scarring after treatment
Risk factors for syphilis
- Sexual contact with an infected person
- MSM
- IVDU
- Commercial sex workers
- Multiple sexual partners
- HV
- Other STIs
Clinical features of syphilis
1) Indurated PAINLESS anogenital ulcer
2) Widespread symmetrical non-pruritic maculopapular rash involving palms and soles, alopecia, condylomata lata, generalised lymphadenaopthy, oral snail-track lesions, systemic upset
3) Neurosyphilis: tabes dorsalis, general paresis, stroke
Cardiovascular syphilis: aortitis, aortic aneurysms
Granulomatous syphilis: formation on granulomas on bone, skin and mucosa
Investigations in syphilis
- Serum treponemal serology
- Serum rapid plasma reagin or VDRL test
- Syphilis PCR from swab from lesion
- Dark-field microscopy of swab from lesion
Management of syphilis
Single dose IM benzathine Benzylpenicillin and PO prednisolone for 3 days
Complications of syphilis
- Jarisch-Herxheimer reaction
- HIV
Clinical features of trichomoniasis
- Thin, frothy, yellow fishy smelling discharge
- Vulval pruritus
- Dysuria
- Dyspareunia
- Balanitis
Investigations in trichomoniasis
- Vaginal pH: >5
- High vaginal swab and wet mount microscopy
- Culture of vaginal discharge
- Urethral swab/first void urine
Management of trichomoniasis
Single dose PO metronidazole OR 5-7 days metronidazole
Complications of trichomoniasis
- PID
- Altered vaginal flora
- Prostatitis
- PROM and preterm birth
- LBW
- HIV
Risk factors for PID
- Age <25
- Single
- Young at first sexual intercourse
- High frequency of sexual intercourse
- Multiple sexual partners
- Past history of STI
- Past history of PID
- Recent uterine instrumentation
- Use of IUD
Causes of PID
- Chlamydia
- Gonorrhoea
- Mycoplasma genitalium
- Gardnerella vaginalis
Clinical features of PID
- Bilateral pelvic/lower abdo pain
- Deep dyspareunia
- Dysmenorrhoea
- Increased vaginal discharge
- Fever
- Asymptomatic
- Infertility
Diagnostic criteria of PID
At least 3 of:
- Temp >37.5
- Abdo tenderness
- Purulent vaginal discharge
- Cervical excitation
- Adnexal tenderness
- Adnexal swelling
Investigations for PID
- Bloods
- Blood cultures
- STI screen
- Pregnancy test
- US
- Laparoscopy (gold standard)
Management of PID
14 days PO doxycycline and metronidazole
Complications of PID
- Pelvic abscess
- Sepsis
- Infertility
- Ectopic pregnancy
- Chronic pelvic pain
- Dyspareunia
- Menstrual disturbances
- Psychological effects
- Fitz-Hugh-Curtis syndrome
Risk factors for a high risk pregnancy
- Extremes of maternal age
- > 6 previous births
- High or low BMI
- Smoking, drugs, alcohol
- Social difficulties
- First pregnancy
- Infertility/IVF
- FH of high risk pregnancies
- Miscarriage, stillbirth or neonatal death
- Medical conditions
- Recurrent miscarriage
- Pelvic surgery
- Maternal mental illness
- Previous preterm birth
- Previous SGA baby
- Previous pregnancy-related disease
- IOL
- Operative delivery
- PPH
Risk factors for gestational diabetes
- FH of diabetes
- BMI >30
- Previous baby >4.5kg
- Previous GDM
- Ethnic minorities
Screening for gestational diabetes
OGTT at 24-28 weeks
Diagnostic criteria for gestational diabetes
- Fasting glucose >5.6
- OGTT >7.8
Management of gestational diabetes
1) Dietary advice and weight loss
2) Metformin
3) Insulin
Delivery in women with diabetes
IOL between 37 and 39 weeks
Delivery in women with gestational diabetes
IOL by 41 weeks if no complications
Complications of diabetes in pregnancy
- Foetal congenital abnormalities e.g. cardiac defects, neural tube defects, renal anomalies
- Preeclampsia
- maternal infection
- Polyhydramnios
- Macrosomia with organomegaly
- Neonatal polycythaemia
- Unexplained intrauterine death
- Shoulder dystocia
- Neonatal hypoglycaemia
- Hyaline membrane disease/RDS
- Development of diabetes
- Recurrent GDM in future pregnancies
Define preeclampsia
Hypertension developing after 20 weeks gestation with one or more of:
- Proteinuria
- Maternal organ dysfunction
- Foetal growth restriction
Define eclampsia
Neurological involvement (generalised tonic clonic seizures) in a woman with preeclampsia, when seizures can not be attributed to another cause
Prevalence of preeclampsia
<5%
Risk factors for gestational hypertension and preeclampsia
- First pregnancy
- FH
- Extremes of maternal age
- New sexual partner
- Obesity
- Medical conditions e.g. hypertension, renal disease, thrombophilia, connective tissue disease, diabetes, autoimmune disease
- Multiple pregnancy
- History of preeclampsia
- Complete molar pregnancy
- Triploidy
- Hydrops fetalis
- Inter-pregnancy interval of >10 years
- Donor insemination
Symptoms of preeclampsia
- Severe headache
- Severe RUQ/epigastric pain
- Sudden swelling of hands/feet/face
- Visual disturbance
- Vomiting
- Restlessness/agitation
- Hyperreflexia
- Clonus
Investigations in women with preeclampsia
- BP: raised
- Urinalysis: proteinuria
- 24 hour urinary collection
- FBC: haemolytic anaemia, decreased platelets
- U&Es: raised creatinine and urea
- LFTs: elevated
- Coagulation screen
- Fundoscopy
- SFH
- Growth scan US
- Umbilical artery Doppler
- Uterine artery doppler velocimetry
Management of preeclampsia
- Daily aspirin 75mg from 12 weeks gestation for high risk women
- Admit for assessment and initial diagnosis
- Antihypertensives to reduce BP <150/100
1) Labetaolol (CI in asthma)
2) Nifedipine - Monitoring of maternal fluid input and output
- Monitor O2 sats, U&Es, LFTs, Hb, haematocrit, platelets, coagulation
- MgSo4 to prevent seizures
- Elective delivery at 37 weeks
- Continued monitoring postpartum
Management of gestational hypertension without proteinuria
- Repeat BP measurement if BP is elevated
- BP and urinalysis 2x weekly
- Serum biochemistry and haematology 1x weekly
- Advise to return to hospital if she feels unwell
- Antihypertensives if BP consistently >150/100
Indications for immediate delivery in preeclampsia
- Gestation >37 weeks
- Uncontrolled hypertension
- Deteriorating liver/renal function
- progressive fall in platelets
- Neurological complications
- Deteriorating foetal condition
- Abnormal foetal HR
- HELLP syndrome
Complications of preeclampsia
- FGR
- Foetal hypoxia and neurological deficits
- Intrauterine death
- Premature birth
- Longterm foetal cardiovascular morbidity
- Placental rupture
- DIC
- HELLP syndrome
- Pulmonary oedema
- Aspiration
- Eclampsia
- Liver failure
- Hemorrhagic stroke
- Long term maternal cardiovascular morbidity
- Maternal death
Management of eclampsia
- Turn patient to left hand side
- Secure airway
- High flow oxygen
- IV MgSO4 followed by IV infusion for at least 24 hours following delivery or last seizure
- Urgent delivery
- Paralysis and ventilation in prolonged recurrent seizures
Risk factors for VTE in pregnancy
- Age >35
- BMI >30
- Para 3+
- Gross varicose veins
- Current infection
- Preeclampsia
- Immobility
- Major current illness
- C-section
- Extended major pelvic or abdominal surgery
- Personal or family history
- Antiphospholipid syndrome
- Paralysis of lower limbs
- Smoking
- Multiple pregnancy
- IVF
Clinical features of VTE
- Calf tenderness
- Calf swelling
- Breathlessness
- Chest pain
- Abdo pain
- Groin pain
Thromboprophylaxis used in pregnancy
LMWH
Investigations in VTE
- Duplex Doppler US
- X-ray venography
- V/Q scan
- CTPA
Effects on foetus of chickenpox in pregnancy
- Limb deformity
- Skin scarring
- Eye abnormalities
- Neurological abnormalities
- Hydrops fetalis
- Microcephaly
- IUGR
Management of chickenpox in pregnancy
- Check immunisation status
- Give varicella IgG if mum is exposed
- Neonatal IgG if delivery occurs within 5 days of maternal infection or mother develops chickenpox within 2 days of birth
- Neonatal infection: Acyclovir
Effects on foetus of rubella in pregnancy
- Miscarriage
- IUGR
- Low platelets
- Hepatosplenomegaly
- Jaundice
- Sensorineural deafness
- Congenital heart disease
- Neurodevelopmental disorders
- Cataracts
- Microphthalmia
- Microcephaly
- CP
- Pulmonary stenosis
Management of rubella in pregnancy
- Consider TOP if <12 weeks
- Postnatal maternal vaccination
Effects on foetus of toxoplasmosis in pregnancy
- Hydrocephalus
- Chorioretinitis
- Intracranial calcification
Management of toxoplasmosis in pregnancy
Consider TOP if primary infection <20 weeks
Effects on foetus of CMV in pregnancy
- Hepatosplenomegaly
- Low platelets
- IUGR
- Microcephaly
- Sensorineural deafness
- Chorioretinitis
- Hydrops fetalis
- Exomphalos
- CP
Delivery of women with HSV
- Primary herpes should be treated with Acyclovir, continued to delivery if >28 weeks
- Vaginal delivery encouraged if >6 weeks after primary infection
- Elective C-section if >28 weeks with primary infection
- Acyclovir from 34 weeks in recurrent episodes
Complications of twin pregnancies
- Hyperemesis
- Anemia
- Preeclampsia
- Antepartum haemorrhage
- VTE
- Gestational diabetes
- General discomfort
- Varicose veins
- Dependent oedema
- Delivery trauma
- C-section
- PPH
- Psychological disorders
- Breastfeeding and parenting challenges
- Chromosomal abnormalities
- Structural defects
- Preterm birth
- FGR
- Twins with one foetal death
Antenatal complications specific to monochorionic twin pregnancies
- Twin to twin transfusion syndrome
- Twin anaemia polycythaemia sequence
- Severe selective IUGR
- Cord entanglement
- Twin reversed arterial perfusion sequence
Delivery in twin pregnancies
At 37 weeks in dichorionic twins
At 36 weeks in monochorionic twins
Indications for a C-section in a twin pregnancy
- Significant growth discordance
- Concern about foetal wellbeing
- <34 weeks gestation
- Previous C-section
- Twin II is transverse
Prevalence of polyhydramnios
0.5-2%
Risk factors for polyhydramnios
- Maternal diabetes
- Congenital foetal anomaly