+ pregnancy emily hodgson. + basic facts normal pregnancy is how many weeks? 40 week ‘term’ is...
TRANSCRIPT
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PREGNANCY
Emily Hodgson
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+Basic Facts
Normal Pregnancy is how many weeks? 40 week
‘Term’ is considered to be? 37 to 42 weeks
The legal definition of foetal viability in the UK is currently? 24 weeks
What is the definition of foetal period? 9 weeks onwards
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+Monitoring Pregnancy
USS Week 11-13 (mainly dating) and 18-20
(anomalies)
Amniocentesis
CTG
Doppler Ultrasound
Foetal scalp blood sample
Mother
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+Growth
Weight is estimated from?Head circumferenceAbdominal circumferenceFemur length
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+IUGR
Causes can be maternal, placental or foetal
What is the difference between symmetrical and asymmetrical growth restriction? Asymmetrical:
Most common HEAD SPARING Lack of subcutaneous fat leads to thin, small body which
is out of proportion Usually extrinsic factors
Symmetrical: More serious Chromosomal disorders, early gestational infections,
alcohol
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+Biophysical Profile
Breathing movements
Amniotic fluid volume
Tone at rest
Heart Rate
Movement
BATH’M
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+Cardiotocography
Baseline 110-160
Variability ≥5
Decelerations None (except back to baseline)
Accelerations Present
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+Prematurity
What is a tocolytic? Medication used to suppress premature labour
What does it allow? Administration of corticosteroids in order to accelerate
foetal lung maturity Transfer to suitable unit
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+That’s it!