Women's Health Flashcards
Disorders of the Puerperium
What is puerperium?
The time from the delivery of the placenta to six weeks following the birth
Disorders of the puerperium
What are the 3 features of puerperium?
- Return to pre-pregnant state
- Initiation/suppression of lactation
- Transition to parenthood
Disorders of the puerperium
What endocrinological changes are seen in the puerperium?
Profound decrease in serum levels of placental hormones:
* human placental lactogen, HCG, oestrogen and progesterone
Increased prolactin
Disorders of the puerperium
What happens to the uterus and genital tract during puerperium?
Involution of the uterus and genital tract
* Muscle: ischaemia, autolysis and phagocytosis
* Decidua: shed as lochia (rubra, serosa and alba)
Disorders of the puerperium
What happens to the breasts during puerperium?
Establishment of lactation - colostrum initially at birth
Lactation suppression takes 7-10 days
Disorders of the puerperium
What hormones are involved in lactogenesis and what do they do?
Prolactin: milk production
Oxytocin: milk ejection reflex
Disorders of the puerperium
What are the functions and features of prolactin?
- Suppresses ovulation
- Secreted by anterior pituitary gland and goes to the breast, lactocytes then produce milk
- More is secreted at night
- Levels peak after the feed to produce milk for the next feed
Disorders of the puerperium
What are the functions and features of oxytocin?
- Produced by postrior pituitary gland –> breast –> myoepithelial cells contract and expel milk
- Helped by sight, sound and smell of baby
- Becomes conditioned over time
- Hindered by anxiety, stress, pain and doubt
- Works before and during the feed to make the milk flow
Disorders of puerperium
What are the 3 types of risks to infant feeding?
Risks of not breastfeeding
Risks of artificial feeding
Risks of not being at the breast
Disorders of the puerperium
What is lactoferrin?
- Multifunctional protein in milk
- 7x higher in colostrum than later milk
Disorder of the puerperium
What are the functions of lactoferrin?
- Regulates iron absorption in intestines and delivery of iron to the cells
- Protection against bacterial infection, some viruses and fungi
- Involved in regulation of bone marrow function
- Boosts immune system
Disorders of the puerperium
What are some examples of mild-moderate postnatal problems?
Infection
Post-partum haemorrhage
Fatigue
Anaemia
Backache
Breast engorgement/mastitis
Urinary stress incontinence
Hemorrhoids/constipation
The ‘blues’
Disorders of the puerperium
What are some examples of major postnatal problems?
Sepsis
Severe PPH
Pre-eclampsia/eclampsia
Thrombosis
Uterine prolapse
Incontinence
Post dural puncture headache
Breast abscess
Depression/psychosis
Disorders of the puerperium
What are the differences between sepsis, severe sepsis and septic shock?
Sepsis = infection + systemic manifestations of infection
Severe sepsis = sepsis + sepsis-induced organ dysfunction or tissue hypoperfusion
Septic shock = the persistence of hypoperfusion despite adequate fluid replacement therapy
Disorders of the puerperium
What are the risk factors for maternal sepsis?
- Obesity
- Diabetes
- Anaemia
- Amniocentesis/invasive procedures
- Prolonged SROM
- Vaginal trauma/CS
- Ethnicity BME
Disorders of the puerperium
What are the most common causes of maternal sepsis?
- Endometriosis
- Skin and soft tissue infection
- Mastitis
- UTI
- Pneumonia
- Gastroenteritis
- Pharyngitis
- Infection related to epidural/spinal
Disorders of the puerperium?
What investigations should be performed for maternal sepsis?
3Ts, white with sugar
Temperature: <36 or >38C
Tachycardia: HR >90bpm
Tachypnoea: RR >20 bpm
WCC >12 or <4 x 10^9/L
Hyperglycaemia >7.7mmol
Disorders of the puerperium
What is the SEPSIS 6?
Blood cultures
Urine output
Fluid resuscitation
Antibiotics
Lactate
Oxygen
Disorders of the puerperium
What is a post partum haemorrhage and how is it classified?
Primary PPH: >500ml estimated blood loss after birth of the baby
Secondary PPH: abnormal or excessive bleeding from the birth canal between 24hrs and 12 weeks postnatally
Minor PPH: <1500mls and no signs of shock
Major PPH: >1500mls and signs of shock or continuing to bleed
Disorders of the puerperium
What are the causes of secondary PPH?
- Endometriosis
- Retained products of conception
- Subinvolution of the placental implantation site
- Pseudoaneurysms
- Arteriovenous malformations
Disorders of the puerperium
What investigations should be performed for a PPH?
ABCDE
Assess blood loss
Assess haemodynamic status
Bacteriological testing (HVS and endocervical swab)
Pelvic ultrasound
Disorders of the puerperium
What are the high risk factors for venous thromboembolism?
Any previous VTE
Anyone requiring antenatal LMWH
High risk thrombophilia
Low risk thrombophilia and family history
Disorders of the puerperium
What is the prophylaxis of high risk VTE?
6 or more weeks of postnatal LMWH
Disorders of the puerperium
What are the moderate risk factors for VTE?
C-section
BMI >/= 40
Readmission or prolonged admission (>/= 3 days) during puerperium
Any surgical procedure except the immediate repair of the perineum
Medical comorbidities
Disorders of the puerperium
What is the prophylaxis of moderate risk VTE?
10 or more days postnatal LMWH
Disorders of the puerperium
What are the symptoms of post-dural puncture headache?
Headahce worse on sitting or standing, starts 1-7 days after spinal/epidural
Neck stiffness
Photophobia
Disorders of the puerperium
How is post-dural puncture headache managed?
Lying flat, simple analgesia, manage fluids and caffeine, epidural blood patch
Disorders of the puerperium
What is postnatal urinary retention?
The abrupt onset of aching or painless ability to completely micturate, requiring urinary cathetirisation, over 12 hrs after giving birth
OR
not to void spontaneously within 6hrs of vaginal delivery
Disorders of the puerperium
What are the risk factors for postnatal urinary retention?
Epidural analgesia
Prolonged second stage of labour
Forceps or ventouse delivery
Extensive perineal lacerations
Poor labour bladder care
Disorders of the puerperium
How is postnatal urinary retention managed?
Aims to:
* maintain bladder function
* minimise risk of damage to urethra/bladder
* provide appropriate management strategies for women who have problems with bladder emptying
* prevent long term problems with bladder emptying
Disorders of the puerperium
What are baby blues?
A period of feeling emotional and tearful around 3-10 days after giving birth, it normally only lasts a few days
Disorders of the puerperium
Whata are the 3 red flags for mental health disorders in the puerperium?
- Recent significant change in mental state or emergence of new symptoms
- New thoughts or acts of violent self-harm
- New and persistent expressions of incompetency as a mother or estrangement from the infant
Disorders of the puerperium
How does postnatal depression present?
- 10% of new mothers
- Depressed
- Irritable
- Tired
- Sleepless
- Appetite changes
- Negative thoughts
- Anxiety
- Affects bonding
Disorders of the puerperium
How does postpartum psychosis present?
- 1-2 in 1000 mothers affected
- Depression
- Mania (feeling elated or excited)
- Rapid mood changes
- Feeling confused or disorientated
- Feeling restless
- Being unable to sleep
- Being unable to concentrate
- Experiencing psychotic symptoms e.g., delusions, hallucinations
Disorders of the puerperium
What are the risk factors for postnatal post-traumatic stress disorder?
- Perceived lack of care
- Poor communication
- Perceived unsafe care
- Perceived focus on outcome over experience of the mother
Disorders of the puerperium
How does postnatal PTSD present?
- Anger
- Low mood
- Self-blame
- Suicidal ideation
- Isolation
- Dissociation
- Intrusive and distressing flashbacks
Disorders of the puerperium
What are the consequences of postnatal PTSD?
Women may delay or avoid future pregnancies.
Request C-sections to avoid vaginal delivery.
Avoidance of intimate physical relationships.
Impact on breastfeeding.
Disorders of the puerperium
What is the definition of maternal death?
The death of a woman while pregnant or within 42 days of termination of pregnancy, irrespective of the duration and the site of the pregnancy, from any cause related to or aggravated by the pregnancy or its managemnet, but not from accidental or incidental causes.
Disorders of the puerperium
What are some causes of maternal deaths?
- Suicide
- Infection
- Obstetric haemorrhage
- Hypertensive disorders e.g., pre-eclampsia/eclampsia
- Non-obstetric complications
- Obstetric complications
Gynaecological malignancy
How does cancer metastasise?
Loss of adhesion, invasion, angiogenesis
Gynaecological malignancy
What is apoptosis?
Normal, programmed cell death
It maintains cell population and prevents malignant transformation
Gynaecological malignancy
What are tumour-suppressor genes?
Act as braking signals during the G1 phase of the cell cycle, to stop or slow the cycle before S phase
Mutations = uncontrolled growth
Gynaecological malignancy
What are two examples of tumour-suppressor genes?
p53 - transcription factor, regulates cell devision and cell death
Rb - alters activity of transcription factors and controls cell division
Gynaecological malignancy
What do oncogenes do?
Stimulate development of cancer.
In normal cells, they contribute to the development of cancer by instructing cells to make proteins that stimulate excessive cell growth and division.
Gynaecological malignancy
What is the most common gynaecological cancer in the UK?
Endometrial
Gynaecological malignancy
What are the risk factors of endometrial cancer?
Unopposed oestrogen
* obesity
* type 2 diabetes
* nulliparity
* late menopause
* ovarian tumours (granulosa)
* oestrogen only HRT
* pelvic irradiation
* tamoxifen
* PCOS
* Lynch syndrome
Gynaecological malignancy
What is the most common presenting complaint in women with endometrial cancer?
Post-menopausal bleeding
Gynaecological cancer
What investigations are performed for endometrial cancer?
Transvaginal ultrasound
Endometrial biopsy
Hysteroscopy
Gynaecological malignancy
What is the management of endometrial cancer?
Surgery: hysterectomy +/- pelvic nodes
Radiotherapy: adjuvant
Progesterone therapy
Gynaecological malignancy
What are the risk factors for cervical cancer?
- High risk HPV
- Missed vaccination
- Early age intercourse
- Multiple sexual partners
- STDs
- Previous CIN
- Immunosuppression
- Oral contraceptive pill
- Cigarette smoking - more persistent HPV
Gynaecological malignancy
What organisms are associated with cervical cancer?
HPV 16 and 18 most commonly
Gynaecological mallignancy
What is the management of cervical cancer?
Stage 1 - LLETZ or hysterectomy depending on size
Stages 2+ - radiotherapy, chemotherapy, palliative care
Gynaecological malignancy
What conditions are associated with an increased risk of vulval cancer?
High risk HPV and lichen sclerosis
Gynaecological malignancy
How does vulval cancer present?
- Vulval itching
- Vulval soreness
- Persistent lump
- Bleeding
- Pain on passing urine
- Past history of VIN or lichen sclerosis
Gynaecological malignancy
How does ovarian cancer present?
- asymptomatic
- bloating/IBS like symptoms
- abdominal pain/discomfort
- change in bowel habit
- urinary frequency
- bowel obstruction
- 75-79 years old most common
Gynaecological malignancy
What are the risk factors associated with ovarian cancer?
Ovulation: menarche, menopause, parity, breast feeding, oral contraceptive pill, hysterectomy, ovulation induction
Genetic: BRCA 1/2 and Lynch syndrome
Gynaecological malignancy
What investigations should be performed for ovarian cancer?
CA125
Ultrasound
Gynaecological malignancies
What is the management of ovarian cancer?
Surgery and chemotherapy
Maternal conditions
What is pre-eclampsia and how does it present?
Hypertension (>140/90) and proteinuria
* Asymptomatic
* Headahce
* Malaise
* Vomiting
* Epigastric/right upper quadrant pain
* Visual disturbance
* Flashing lights
* Leg swelling
* Hyperreflexia
Maternal conditions
What is eclampsia characterised by?
Tonic-clonis seizures
Maternal conditions
What are the maternal complications of pre-eclampsia?
Renal failure
Liver failure
Cerebral haemorrhage
HELLP syndrome
Papilloedema
Pulmonary oedema
Placental abruption
Disseminated intravascular coagulation
Eclampsia
Death
Maternal conditions
What is HELLP syndrome?
Haemolysis (low Hb)
Elevated Liver enzymes
Low Platelets
Materanl conditions
What are the foetal complications of pre-eclampsia?
Intrauterine growth restriction
Intrauterine death
Iatrogenic preterm delivery
Maternal conditions
How is pre-eclampsia managed?
Labetalol
Steroids for lung maturity
Induction of labour and avoid ergometrine
May need C-section
Maternal conditions
How does obstetric cholestasis present?
Pruritis and jaundice
Maternal conditions
What investigations should be performed for obstetric cholestasis?
Weekly monitoring
* LFTs
* serum bile acids
* liver screen
* liver USS (normal)
Maternal conditions
How is maternal cholestasis managed?
Topical emollients
Antihistamines
Ursodeoxycholic acid
Vitamin K
Foetal monitoring
IOL at 37 weeks
Maternal conditions
What are the foetal complications of obstetric cholestasis?
- Increased risk of pre-term labour
- Intrauterine death
- Iatrogenic prematurity
- Meconium stained liquor
Maternal conditions
What are the maternal complications of obstetric cholestasis?
- Vitamin K deficiency
- Increased risk of PPH
- Increased risk in future pregnancies
Maternal conditions
What are the foetal complications of maternal diabetes?
Increased risk of:
* congenital anomalies
* perinatal mortality
* macrosomia
* shoulder dystocia
* polyhydramnios
Maternal conditions
What are the maternal complications of diabetes?
Diabetic nephropathy and retinopathy may deteriorate
Increased risk of miscarriage, pre-eclampsia and operative delivery
Maternal conditions
What is the management of maternal diabetes?
Increased insulin requirement
Oral hypoglycaemics avoided
Strict glycaemic control
IOL at 38-39 weeks
Maternal conditions
What are the foetal complications of epilepsy in pregnancy?
Some anti-epileptics are teratogenic
Increased risk of neural tube defects, orofacial clefts and heart defects
Maternal conditions
What is the management of epilepsy in pregnancy?
Folic acid 5mg - reduces neural tube defects
Adjust medication
Vitamin K from 36 weeks due to risk of haemorrhagic disease of the newborn
Foetal conditions
What genetic abnormality causes Down’s syndrome?
Trisomy 21
Foetal conditions
What screening tests are available for Down’s syndrome in pregnancy?
The combined test
Quadruple test
Foetal conditions
When is the combined test for Down’s syndrome performed?
Between 11-13+6 weeks
Foetal conditions
What tests are included in the combined test for Down’s syndrome and what results are suggestive of the condition?
Nuchal translucency = thickened
Serum B-hCG = raised
Pregnancy-associated plasma protein A (PAPP-A) = reduced
Foetal conditions
When is quadruple test performed for Down’s syndrome?
In women booking late, between 15-20 weeks
Foetal conditions
What tests are included in the quadruple test for Down’s syndrome and what results are suggestive of this condition?
Alpha-fetoprotein = reduced
Unconjugated oestriol = reduced
Human chorionic gonadotrophin = raised
Inhibin A = raised
Foetal conditions
What is the pathophysiology of rhesus disease?
Rhesus -ve mothers with a rhesus +ve foetus
Blood mixes (may be during delivery, placental abruption, invasive procedures, miscarriage etc) and maternal IgM antibodies are produced to the Rh antigen but do not cross the placenta.
In future pregnancies, IgG is produced which crosses placenta and causes haemolytic disease of the foetus.
Foetal conditions
What are the foetal complications of rhesus disease?
Haemolytic disease, intrauterine growth restriction, hydrops fetalis, death
Foetal conditions
How is rhesus disease prevented?
Give anti-D IgG to all rhesus -ve mothers
Foetal conditions
What are the risk factors for intrauterine growth restriction?
- poor nutrition
- smoking
- alcohol
- drug abuse
- maternal disease
- in-utero infection
- placental insufficiency
Obstetric complications
What are the causes of antepartum haemorrhage?
Placental abruption
Placenta praevia
Vasa praevia
Miscarriage
Ectopic pregnancy
Cervical/vaginal mass
Obstetric complications
What is placenta praevia?
A placenta that is partially or wholly covering the lower uterine segment/the cervix
Obstetric complications
How does placenta praevia present?
May be asymptomatic
Associated with painless PV bleeding
Obstetric complications
How is placenta praevia diagnosed?
Uusally on the 20 week anomaly scan
Another scan in third trimester as placenta may move away from the lower segment
Obstetric complications
What is the management of placenta praevia?
C-section
Obstetric complications
What is placental abruption?
Premature separation of the placenta from the uterine wall
Obstetric complications
What are the risk factors for placental abruption?
- Trauma
- Following rupture of membranes
- Multiple pregnancy
- Polyhydramnios
- Pre-eclapmsia
- Smokers
Obstetric complications
How does placental abruption present?
Painful PV bleeding, may present as abdominal pain without foetal/meternal compromise
‘Woody’ hard uterus
Obstetric complications
What are the risk factors for preterm labour?
- Acute illness
- Low BMI
- Multiple pregnancy
- Polyhydramnios
- Preterm rupture of membranes
- Previous cervical surgery
- Smoking
- Previous preterm delivery
- Uterine abnormalities
Obstetric complications
What are the indications for induction of labour?
Postmaturity
Pre-labour rupture of membranes
Suspected IUGR
Obstetric cholestasis
Gestational diabetes
Pre-eclamptic toxaemia
Intrauterine death
Maternal request
Obstetric complications
What is used for induction of labour?
Membrane sweep, artificial rupture of membranes, cervical balloon
Medical: vaginal prostaglandins, oxytocin infusion