Womens Flashcards
define normal birth
spontaneous vertex 37-42 weeks mum + baby good condition no instruments
latent phase - what will woman see/feel? how long?
irregular contractions
bloody show (mucoid plug)
6hrs - 3days
latent phase - whats happening to cervix?
effacing and thinning
advice for women in latent phase
stay at home
paracetamol
eat and drink
describe effacement
cervix moves forward, retraction of muscle fibres, cervix thins and opens
how would you feel a fully engaged baby on abdo palpation
feel 2 finger width of head above symphysis pubis
what does ‘presentation’ refer to when assessing fetus?
anatomical part of fetus which presents through birth canal 1st e.g. breach/cephalic (vertex, brow, face)
what does ‘lie’ refer to in fetal assessment?
relationship between uterus axis and fetal axis. e.g. longitudinal/transverse
what does fetal ‘attitude’ refer to?
flexed/deflexed
what is engagement, in labour?
widest part of presenting part has passed through pelvic brim
what is the fetal ‘station’ and how is it measured?
relationship between lowest part of fetus and ischial spines. measured on vaginal exam
what fetal station would you expect in a woman in 2nd stage
at least at the ischial spines (0)
what dilatation is expected at active phase?
at least 4cm
describe contractions at active phase
stronger
every few mins (3-4 in 10 mins)
where is oxytocin released and what is its role in the active phase?
pituitary
keeps contractions going
what reduces oxytocin levels and why?
anxious mother, ^adrenaline release inhibits oxytocin
what are the 3 Ps used to categorise a problem in labour?
power (of contractions)
passage (pelvis problem)
passenger (baby’s position)
what does entonox contain and in what quantities
Nitrous oxide and oxygen 50:50
non-pharmacological pain relief for labour
in water TENS relaxation hypnosis SUPPORT
fetal side effects of opiates for labour pain (pethidine, morphine)
respiratory depression
drowsy
decreased breast seeking
maternal side effects of opiates in labour (pethidine, morphine)
drowsy
nausea/vom
LONGER LABOUR
epidural consequences
1 maternal side effect
longer labour need more oxytocin malposition ^instruments incontinence (catheter) decreased mobility headache
in a normal labour, how often vaginal exams
every 4 hrs
fetal heart rate monitoring in high and low risk
low - intermittent
high - continuous
1st stage of labour can be split into what 3 phases?
latent
active
transition
what will mother see/feel during transition phase of labour
spontaneous rupture of membranes with clear liquor
feel pressure (like want to poo)
contractions slow/stop
what can be seen in the 2nd stage of labour
head
bulging perineum
anal dilatation
which fontanelle should you be able to feel on vaginal exam during labour, and which is a bad sign and why?
small post font good
larger ant font bad - deflexed
what suture joins anterior and posterior fontanelles
sagittal
describe left occiput anterior position
back of baby’s head towards pubic symphysis
baby’s back on mothers left side
at how many hours after commencement of pushing would you diagnose delay in a primagravid and a multiparous
prima - 2 hrs
multi - 1 hr
within how many hours of pushing would you expect birth (prima/multi)?
prima - within 3 hrs
multi - within 2 hrs
which shoulder is delivered first?
anterior/pubic symphysis side
during delivery, when and why does internal rotation of the fetus occur?
head hits pelvic floor, rotates because the ant/posterior diameter of the pelvis is wider further down
when the head is crowning, what is done when delivering in water vs air?
in air, support head and perineum
in water, dont touch head
labour - what drug is given for active 3rd stage management and route
oxytocin IM
risk of physiological 3rd stage of labour
^blood loss
what is controlled cord traction
pull on cord and massage uterus
why do we do delayed cord clamping
prevent neonatal anaemia
17 yr old. Lower abdo pain. Nausea. Ix?
pregnancy test
WCC/CRP
USS
17 yr old F. Right sided lower abdo pain. Differentials?
ectopic pregnancy
appendicitis
ovarian torsion
why does torsion cause pain?
ischaemia
symptoms of threatened miscarriage
vaginal bleeding
occasionally abdo pain
what does it mean for the pregnancy when the cervical os is open 1 finger width O/E
inevitable miscarriage
retained tissue
what is a delayed miscarriage?
fetus has died but miscarriage has not occurred i.e. no vaginal bleeding
best way to diagnose delayed miscarriage
USS
in the 1st few weeks of pregnancy, what should happen to serum bhCG levels over a 36-48 hr period?
double
which is better, transabdo or transvaginal scan at early gestation? and why?
transvaginal. closer to fetus, can pick up heartbeat earlier, don’t need full bladder
what might you see on an USS of a delayed miscarriage?
empty gestation sac
fetal pole with no heartbeat
what percentage of pregnancies with early vaginal bleeding remain viable?
60%
risk of surgical Tx of miscarriage
uterine perforation
appropriate management of incomplete miscarriage
expectant management (watch and wait)
treatment for delayed miscarriage, >12 weeks fetal size
mifepristone (antiprogestogen)
misoprostol (prostaglandin)
treatment for delayed miscarriage, <12 weeks fetal size
misoprostol (prostaglandin)
most common site of ectopic pregnancy
ampulla of fallopian tube
what should you consider when an empty uterus is found on USS in a patient with positive pregnancy test?
ectopic pregnancy
management of ectopic pregnancy
expectant
methotrexate
laparoscopy/laparotomy salpingotomy/salpingectomy
what is hyperemesis gravidarum?
excessive vomiting associated with weight loss, dehydration and ketosis
management of hyperemesis gravidarum
anti-emetics
fluids
nil by mouth
K+ and Na+ replacement
anti-emetics for hyperemesis gravidarum?
metoclopramide
ondansetron
why is breast cancer incidence increasing?
living longer
obesity
screening
risk factors for breast cancer
obesity decreased exercise alcohol HRT OCP ADH (atypical ductal hyperplasia) FH early menarche, late menopause older 1st pregancy
breast cancer symptoms
nipple retraction nipple discharge painless lump skin tethering fracture confusion
what is the triple assessment in breast cancer?
- clinical score
- imaging score (USS/mammo)
- biopsy score
1 normal -> 5 cancer, aim for concordance
in triple assessment, if clinical and imaging score is 5, and biopsy score is 1… what would you do?
re-biopsy. may have missed lesion
how does cancer appear on mammogram?
white/dense
if one breast appears different shape/smaller on mammogram, what might this suggest?
tethering (wont squash as well)
when would MRI be used in breast imaging?
dense breast
screening in young women w/ e.g. BRCA
w/ contrast to see if lump is benign or malig
in breast cancer if nodes are palpable clinically, what axilliary Tx is required?
full axillary clearance
reasons for mastectomy
large cancer relative to breast size
tumour under/indrawing nipple
multifocal
patient choice
complication of axillary clearance
lymphoedema
axillary management if nodes are not palpable in breast cancer
sentinel lymph node biopsy
limited axillary clearance
% of breast cancers that are ductal and typical presentation?
70%
hard lump
% of breast cancers that are lobular and typical presentation
10%
soft, dont show well on mammogram
difference between stage and grade of breast cancer
stage is anatomical (tumour, nodes, mets)
grade - how they look down microscope
endocrine treatment for breast cancer are used in oestrogen or progesterone +ve disease. Give the commonly used endocrine therapy and another that is used only in post-menopausal women
tamoxifen [oestrogen receptor blocker]
aromatase inhib [peripheral oest synth]
when would you use trastuzumab (Herceptin) in breast cancer Mx?
Her-2 positive cancers
side effects/complications of tamoxifen
hot flushes, nausea, vaginal
bleeding (thromboses, endometrial
cancer rarely)
side effects of aromatase inhib
hot flushes, reduced bone density
why are bisphosphonates given in breast cancer?
prevent bone mets
methods of intermittent fetal auscultation used in community
Pinard stethoscope
Hand-held Doppler
disadvantages of intermittent auscultation methods
diff to distinguish maternal and fetal heart
can’t pick-up variation and decelerations
adv of intermittent ausculation
cheap, non-invasive, home setting
what are the parameters you’re looking for on a CTG?
Bra- baseline HR Variability Accelerations Decelerations Overall
how would you classify a reassuring CTG
baseline 110-160bpm
variability <5bpm
accelerations
no/early decelerations
what are the 2 CTG transdusers detecting?
fetal HR
uterine contractions
disadvantages of CTG
dec mobility
no improved outcome, ^intervention
advantages of CTG
continuous
non-invasive
what are accelerations and decelerations on ctg?
rise/ fall in fetal HR by 10-15bpm
what are early decelerations/ why do they happen?
uterus contracts, blood supply to baby dec > fetal HR dec. uterus relaxes>HR^. physiological
what are late decelerations on ctg?
fetal HR drop after uterine contraction, takes longer to recover. sinister
what are variable decelerations on ctg?
fetal HR drops with no relation to uterine contraction
why could variation be <5bpm for up to 40 mins?
baby sleeping
gold standard for fetal monitoring and why?
scalp ECG, not confused w/ maternal heart
disadvantages of scalp ECG for fetal heart monitoring
invasive can only be done when waters broken X with maternal infection scalp injury only in labour
adv and disadv of abdo fetal ECG
non-invasive, mother mobile
still being developed
signal hampered by ^amniotic fluid 28-32wks
side effects of entonox
maternal nausea and vom
difference between spinal and epidural anaesthesia
epidural outside dura, spinal -intrathecal/ subarachnoid (continuous space with intracranial)
how would you deliver opoids to a woman in labour (X2)
- single shot IM
2. patient controlled analgesic pump IV
side effects of single shot opoids
sedation
respiratory depression
seizure
N and V
at what level does the spinal cord terminate?
L2
indications for epidural
maternal request pregancy induced HTN pre-eclampsia cardiac disease multiple births theatre likely
contraindications for epidural
maternal refusal
local infection
LA allergy
(coagulopathy, systemic infection)
effects of epidural other than analgesia
fever
breathlessness
headache
disadv of general anaethesia over regional for CS
partner cant be there
aspiration
failed intubation
seeing baby
disadv of regional anaesthesia
failure
discomfort
headache
what is menopause and when is it diagnosed?
cessation of menstruation. after 12 months amenorrhoea
name of period leading up to menopause
perimenopause
Sx of perimenopause
irregular periods hot flushes, night sweats mood swings dec sex drive vaginal dryness joint/muscle pain
health impacts of the menopause
dyspareunia ^UTIs prolapse incontinence dementia heart disease osteoporosis
what hormone causes endometriosis
oestrogen
what is the most common site of endometriosis and why
pouch of douglas [betw rectum and uterus]
lowest anatomical part
how does endometriosis enter the abdo cavity
retrograde menstruation through fallopian tubes
symptoms of endometriosis
pain infertility nosebleed cough blood lump dyspaerunia
how does endometrium travel to other areas of body in endometriosis
blood stream
lymphatics
metaplasia
describe the pain experienced in endometriosis and why
fluctuating, worsening until period then improving after. Oestrogen fluctuates, thickens endometrium
what is a chocolate cyst?
ovary full of blood, seen in endometriosis
why can endometriosis cause dyspareunia?
pouch of douglas irritated
at what age would endometriosis typically present?
teens/early 20s
Tx options for endometriosis
stop oest or give prog! OCP GnRH POP mirena depo oophorectomy
what effect do oestrogen and progesterone have on endometrial lining
oest^, prog decrease
what is triphasing with the OCP?
give back to back for 3 months without week off
what doe giving GnRH effectively do to a woman?
make menopausal
why can’t you give oestrogen alone without progesterone?
^^^endometrial growth > endometrial cancer
what reason may you need to give endometriosis patient prog alone instead of OCP? and disdv of this
migraines
irregular bleeding/spotting
how do you diagnose endometriosis?
laparoscopy
whats a frozen pelvis
everything stuck togtehr in endometriopsis
surgical options in endometriosis
ablation
hysterectomy
oophorectomy
theories for why endometriosis causes infertility
immune factors
tubal dysfunction
ovary dysfn
adhesions
what type of woman does adenomyosis typically present
older, multiparous
sx of adenomyosis
cyclic pain
dyspareunia
dysmenorrhoea
what are fibroids and hormonal cause of them
benign uterine tumours of myometrium
oestrogen
tx for fibroids
nothing if asymptomatic COCP, Mirena tranexamic acid mefanamic acid/ ibuprofen ulipristal acetate GnRH surgery[myomectomy/hysterectomy]
sx of fibroids
depends where
bleeding, pain, miscarriage, infert
lump
anaemia
what is a endometrial polyp?
growth from endometrium as opposed to myometrium
sx of endometrial polyp
miscarr, bleed, pain, infert
what is battery?
failure to obtain informed consent
What is autonomy
patients right to make decision, without Dr.s opinion influencing
elements of full informed consent
nature of procedure alternatives benefits/risks assess Pt understanding Pt acceptance
can a woman refuse emergency CS for fetal distress?
yes
recommendations of fraser competence
- patient understanding
- encourage parental involvement
- likely to have sex anyway?
- physical\mental health suffer if no Tx?
- Pt’s best interests
limit for termination of pregnancy and exeptions
<24 weeks
OR risk to pregnant woman’s life
child would be severe disability
risks of HRT
breast cancer
DVT/PE
stroke
MI
non hormonal Tx for hot flushes and mood. what type of drug?
clonidine, alpha blocker
non-pharmaceutical Mx for menopause
CBT
hormonal Tx for menopause
local [vaginal] oest
HRT
when to give HRT with oest and prog
if they have a uterus
what type of HRT has ^breast cancer risk? combined/ just oest
combine oest and prog
how would your HRT management differ is woman with implant/Mirena?
implant - give combined oest/prog
mirena - give only oest
how does oestrogen ^clot risk? how would you combat this with a different method?
^clotting factor production by liver. transdermal patch instead of oral
why might you use transdermal HRT over other methods?
crohns
Pt with ^clot risk
patient choice
what is premature ovarian insufficiency?
menopause <40
tx for prem ovarian insufficinecy
HRT
combined OCP
until age 50
how long are women fertile after menopause
if menopause <50 - 2yrs
menopause >50 - 1yr
2 syndromes of incont + cause
overactive bladder [Involuntary bladder contractions]
stress incont [sphincter weakness]
presentation of overactive bladder
Urgency incont Frequency Nocturia Nocturnal enuresis (bed wetting) ‘Key in the door’ ‘Handwash’ sex
presentation of stress incont
Involuntary leakage: Cough, Laugh, Lifting, Exercise, Movement