miscarriage Flashcards
define miscarriage? early vs late?
loss of pregnancy <24wk
early - <12
late - >12
RFs for miscarriage
advanced parental age smoking, alcohol, high BMI uterine malformations previous term/miscarriage multiple pregnancy chronic illness assisted conception
miscarriage - diagnosis
2 ways:
1 - embryo 7mm+ + no FH action
2 - mean sac diameter 25mm but no yolk sac/embryo
define threatened miscarriage
vaginal bleeding - anyone preg w this has one
define inevitable miscarriage
presentation?
cervix open
heavy bleeding
clots + pain
define complete miscarriage
all pregnancy tissue has passed from uterus
define incomplete miscarriage
presentation?
some pregnancy tissue remains in uterus
pain, bleeding, os open
define missed / delayed miscarriage and when does it occur?
<20wk
foetus has stopped growing / died but no expulsion / bleeding - may be found on USS
history of pain/bleeding in woman
LMP
date of first preg test
severity of bleeding to determine if safe to go home
clots? tissue?
pain - referred, shoulder tip, rectal (ectopic), central lower abdo period-like (miscarriage)
pain/bleeding in woman - examination
vital signs pallor abdo - mass? peritonism? cervix VE - tender? excitation?
pain/bleeding in pregnant woman - investigations
FBC + G+S
serum hCG if <6-7wk - get idea of gestation before USS
USS - ?pregnancy ongoing
what are the management options for miscarriage?
expectant - wait to see if miscarriage starts
medical - misoprostol to start process
surgical - OP/IP removal of tissue
risks of miscarriage managament
infection
haemorrhage
similar outcomes in future pregnancies
expectant management of miscarriage
risks + followup + efficacy?
may pass tissue at home - advise what to do
sac may be reabsorbed without much bleeding
USS/preg test in 2-3wk
warn bleeding can last 6wk
risk retained tissue
risk of infection + haemorrhage is similar to medical
60-80% resolution rate
pros of expectant management of miscarriage
avoids hospital
natural process
may feel more control
cons of expectant management of miscarraige
uncertainty + unpredictable
have to cope with pain/bleeding at home
distress if see it pass
medical management of miscarriage
risks + efficacy?
outpatient or inpatient misoprostol - contraction + passing
80-90% effective
poss painful/heavy bleeding
infection + haemorrhage risk similar to expectant
surgical management of miscarriage - what is it? pros + risks?
suction out tissue
pros - shorter time to resolution + don’t have to be involved
risks: infection uterine perforation adhesions + scar tissue (5%, can affect future fertility) retained products (5%)
general anaesthesia risk
1 in 30,000 hysterectomy
threatened miscarriage - presentation? when does it occur?
painless vaginal bleeding pre-24wk - usually 6-9wk
os closed
delayed miscarriage - presentation
light bleeding or discharge
pregnancy symptoms have stopped
os closed