Early Pregnancy Loss/TOP Flashcards
What percentage of pregnancies are EPL?
20%
Women discharging with PUL/EPL should represent if (5 things):
- Experiencing pain beyond paracetamol
- Shoulder tip/diaphragmatic pain
- Blood loss >1 pad/hour
- Fainting
- Fever
What percentage of pregnancies rise by >66% over 48 hours?
85%
What is the lowest recorded rise of bHCG over 48 hours that resulted in a viable pregnancy?
53%
If bHCG is 2000-3000 and no gestational sac on TVS, chances of a viable IUP are:
2%
If bHCG is >3000 and no gestational sac on TVS, chances of a viable IUP are:
0.5%
Progesterone level is useful for PUL when (2 things):
- bHCG >2000
2. No USS findings to suggest ectopic pregnancy
A progesterone level of <2nmol/L has an NPR for ectopic pregnancy of:
98%
Non-viable pregnancy can be confidently diagnosed from TVS if (4 things):
- MSD >25mm AND no fetus
- CRL >7mm AND no fetal heartbeat
- USS with empty gestational sac AND no fetal heartbeat after 14 days
- USS with yolk sac AND no fetal heartbeat after 11 days
The expected growth rate of gestational sac is (MSD expressed in mm/day):
1mm/day
Ectopic pregnancies occur in what percentage of pregnancies:
2%
What percentage of ectopic pregnanices occur in the fallopian tubes?
95%
What percentage of ruptured ectopics will experience shoulder tip/diaphragmatic pain?
20%
What are the criteria for expectant management of ectopic pregnancy (5 things):
- bHCG <1500 and falling
- Tubal mass <3cm
- Pain free
- Minimal blood in pelvis on USS
- Close to hospital
What percentage of women will conceive after an EP, and of those, what percentage will have an IUP?
66% and 90%
When would medical (MTX) management of EP be appropriate (4 things):
Hemodynamically stable
Unusual site (cervical, interstitial, scar)
bHCG <5000
N FBC/ELFT/CrCl
What should women be advised after MTX (4 things for now, 2 things for next pregnancy):
Avoid sun exposure
Avoid folate-rich foods
Avoid sexual intercourse/pelvic examination
Expect nausea/fatigue/mouth ulcers (will resolve)
Barrier contraception for 4/12 after MTX + confirmed USS resolution
Early USS in next pregnancy
How does the F/U differ for salpingectomy and salpingostomy:
Weekly bHCG for salpingostomy
Repeat urinary bHCG for ruptured salpingectomy
What drugs are used for second trimester EPL (3 things)?
Misoprostol
Mifeprostone
Oxytocin
What the methods for lactation suppression (4 things)?
Minimal stimultion
Cold compresses
Analgesia
Cabergoline (Dostinex)
What percentage of women are RhD neg?
21%
What are the dose of RhD IgG for up to K12+6 and K13+ respectively?
250IU and 625IU
100IU of IgG will protect against how much RBC/whole blood?
1mL RBCs and 2mL whole blood
What are the types of premalignant GTD (2 things)?
Complete HM
Partial HM
What are the types of GTN (4 things)?
Invasive mole
Choriocarcinoma
Placental site trophoblastic tumour (PSTT)
Epithelioid trophoblastic tumour (ETT)
What is the rate of maternal suicide after EPL?
18.1 per 100,000 (compared to 5.9 after live birth)
A birth must be registered in QLD if (3 things):
Alive
K20+
>400g
At what exact gestation do two doctors have to agree that a TOP is reasonable?
K22+1 (i.e. K22+0 does not require two)
What is the Latin term for the Supreme Court’s jurisdiction over non-Gillick competent minors requesting TOP?
Parens patriae (parent of the nation)
If an adult cannot consent to a TOP, who can consent and why?
QCAT as it is considered “special healthcare”
How dose mifepristone work (4 end results)?
Steroid antagonist (mainly progesterone and cortisol). Progesterone blockade causes decidual degeneration, trophoblast detachment, reduction in bHCG/progesterone and release of endogenous prostaglandins.
What are the contraindications to mifepristone (3 things)?
Hemorrhagic disorder
Chronic adrenal failure
Long-term corticosteroid therapy
What is the efficacy/surgical rate for MS-2 Step for
What is the risk of uterine perforation for surgical TOP?
1-4 per 1000
In which patients would cervical priming be especially useful (3 groups)?
<18 years old
Nullip
K12+
Intra-operative antibiotics for surgical TOP?
Yes (doxycycline)