High yield random stuff Flashcards
How many babies are affected with a major structural abnormality?
2-4%
What week is MSS1?
11-14 weeks
What week is MSS2
14-20 wks
What weeks can you have NIPT? +ves and -ves?
10+ weeks.
+ves: tells you about trisomies, can look at sex.
-ves: not funded.
false positives re: placental site mosacism
What do bloods check MSS1:
PAPP-A and HCG
What do bloods check MSS2
bHCG, inhibin A, AFP, uE3
Specific risk factors for placental insufficiency/fetal demise?
Preeclampsia, SGA, diabetes, genetic abnormalities, smoking, age, high BMI, prev poor obstetric history
What do maternal bloods done post- intrauterine death look for?
HbA1c, thrombophilia, antiphospholipid syndrome, infections, antibody screen, Kleihauer (mixing of fetal and maternal blood)
How to manage future pregnancies in a woman with a prev IUGR?
?low dose aspirin from first trimester,
+ can do a doppler at 20 weeks to triage how often you need to do growth scans
Causes of PPH
tone, tissue (RPOC), trauma or thrombus (Coag issue such as DIC)
How does past med hx impact on PPH management?
Asthma - no F2 alpha
HTN - no ergometrine