Miscarraige Flashcards
What does a missed miscarriage refer to?
where fetus is no longer alive but no symptoms have occured
What does a threatened miscarriage refer to?
vaginal bleeding with a closed cervix and a fetus that is alive
What does an incomplete miscarriage refer to?
retained products of conception remain in uterus after miscarrriage
What does a complete miscarriage refer to?
full miscarriage has occured
What does an anembryonic pregnancy refer to?
a gestational sac is present but contains no embryo
What is the gold standard investigation for diagnosing a miscarriage?
transvaginal ultrasound scan
What are the three features you should look for on an US in early pregnancy?
- mean gestational sac diameter
- fetal pole and crown-rump length
- fetal heartbeat
When is a pregnancy considered viable on US scan?
- when a fetal heartbeat is visible
- fetal heartbeat is expected when crown-rump length is 7mm or more
What should be done when US shows a crown-rump length < 7mm without a fetal heartbeat?
-scan is repeated after at least one week to ensure heartbeat develops
What should be done when US shows a crown-rump length > 7mm without a fetal heartbeat?
-scan is repeated after one week before confirming non viable pregnancy
When is a fetal pole expected?
-once the mean gestational sac diameter is 25mm or more
What should be done when US shows a mean gestational diameter > 25mm with no fetal pole?
-scan is repeated after one week before confirming an anembryonic pregnency
What is the general management of miscarriage before 6 weeks?
- expectant management which involves waiting without investigations or treatment
- US is likely to be unhelpful as too early so too small t be seen
- repeat urine pregnancy test after 7-10 days, if negative a miscarriage can be confirmed
- if bleeding continues referral and further investigation is needed
What is the general management of miscarriage after 6 weeks?
- referral to EPAU for women with positive pregnancy test and bleeding
- EPAU will arrange an US which will confirm location and viablity of pregnancy
What are the 3 options of managing a miscarriage?
- expectant management
- medical management (misoprostol)
- surgical management