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PREGNANCY

PREGNANCY. Emily Hodgson. 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. Monitoring Pregnancy.

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PREGNANCY

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  1. PREGNANCY Emily Hodgson

  2. 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

  3. Monitoring Pregnancy • USS • Week 11-13 (mainly dating) and 18-20 (anomalies) • Amniocentesis • CTG • Doppler Ultrasound • Foetal scalp blood sample • Mother

  4. Growth • Weight is estimated from? • Head circumference • Abdominal circumference • Femur length

  5. 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

  6. Biophysical Profile • Breathing movements • Amniotic fluid volume • Tone at rest • Heart Rate • Movement • BATH’M

  7. Cardiotocography • Baseline • 110-160 • Variability • ≥5 • Decelerations • None (except back to baseline) • Accelerations • Present

  8. 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

  9. That’s it!

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