Stillbirth and SGA including Reduced Fetal Movements GT57 Flashcards
What is the absolute risk of stillbirth in the UK?
How many a year?
1 in 200
4000
In high income countries what % of stillbirths are intrapartum?
<10%
What are the top 5 risk factors for SB from the maternal history (+ odds ratio)?
Previous SB (5.91) Multiple pregnancy (4.59) Nulliparity and previous losses <20/40 (3.13) Diabetes mellitus (2.50) Mat age >40 (2.41)
How many stillbirths are accounted for by SGA babies?
About half
How many stillbirths are classified as unexplained?
50%
What is the risk of DIC following IUFD?
10% within 4/52 after the date of late IUFD
30% thereafter
When should Kleihauer test be repeated after a massive fetomaternal haemorrhage to ensure red cells have cleared?
Give anti D ASAP from presentation, ideally within 72 hours of event
then repeat 48 hours after anti D
Which transplacental infections are associated with IUFD?
CMV syphillis Parvovirus B19 listeria rubella toxoplasmosis herpes simplex coxsackie virus leptospira Q fever Lyme disease Malaria (SB)
Which ascending infections are associated with IUFD (with or without membrane rupture) in developed countries?
E Coli Klebsiella Group B strep Enterococcus Mycoplasma/ureaplasma Haemophilus influenza Chlamydia
When can QF-PCR karyotyping with additional Y markers provide a sexing result by?
2 working days in 99.9% of samples
How many stillborn babies will have a chromosomal abnormality?
6%
How often should DIC be tested for if labour is delayed more than 48 hours?
Twice weekly
What is the time limit for registering a stillbirth?
42 days
3 months in exceptional circumstances
What % of women perceived a reduction in movements prior to a stillbirth?
55%
What is the initial advice with reduced FMs > 28/40?
Lie on left, focus for 2 hours
If <10 FMs in this time contact MW/maternity unit
