YEAR 3 REVISION > IUGR > Flashcards

IUGR Flashcards

(20 cards)

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1
Q

What is small for gestational age?

A

EFW/ Abdominal circumference <10th centile (severe = <3rd centile)

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2
Q

What is intrauterine growth restriction?

A
  • <2500g or <10th centile

- Foetus unable to achieve genetically determined potential size due to a pathophysiological process

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3
Q

What are some intrinsic maternal risk factors for IUGR?

A
  • PIH/PET
  • Congenital heart disease
  • Diabetes
  • Extremes of age
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4
Q

What are some intrinsic foetal risk factors for IUGR?

A
  • Multiple gestation
  • Chromosomal abnormality
  • Oligohydramnios
  • Placental abruption
  • Placenta praevia
  • Chorioamnionitis
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5
Q

What are some extrinsic risk factors for IUGR?

A
  • Nutritional imbalance
  • Hazardous substance exposure
  • Smoking/drugs/alcohol
  • DV
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6
Q

What are the 2 types of IUGR?

A

Symmetrical and Asymmetrical

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7
Q

Describe symmetrical IUGR

A
  • Begins in 1st trimester
  • Interruption of cell division
  • Baby is proportionally small
  • Caused by both intrinsic and extrinsic factors
  • Usually congenital infection or genetic disorder
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8
Q

What are some of the risks associated with symmetrical IUGR?

A
  • Stillbirth
  • Chromosomal abnormality
  • Infection
  • Brain damage
  • Short stature
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9
Q

Describe asymmetrical IUGR

A
  • Begins in 3rd trimester
  • Interruption of cell growth
  • Head appears larger than body
  • Caused by extrinsic factors only
  • Usually placental insufficiency
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10
Q

What are some of the risks associated with asymmetrical IUGR?

A
  • Stillbirth
  • Hypoglycaemia
  • NEC
  • Prematurity
  • Oligohydramnios
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11
Q

What is a Doppler used for?

A

Looking at blood circulation between baby, uterus and placenta

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12
Q

What is normal to see on the Doppler between 24-30/40?

A

Absent End-Diastolic Flow (EDF)

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13
Q

What determines the decision for delivery of an IUGR baby between 30-34/40?

A
  • Amniotic fluid
  • Movements
  • CTG
  • Doppler
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14
Q

What does an abnormal doppler indicate after 34/40?

A

Severe feto-placental pathology

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15
Q

What is low birth weight?

A

<2500g

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16
Q

What is very low birth weight?

17
Q

What is extremely low birth weight?

18
Q

What are some of the clinical features of an IUGR baby?

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A
  • Large head
  • Anxious, hyper alert infant
  • Absence of buccal fat
  • Long fingernails
  • Loose, dry skin
  • Thin umbilical cord
19
Q

What is the usual management for SGA?

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A
  • Growth scans every 2-4 weeks

- IOL at 37-38/40

20
Q

What is the most common cause of SGA?

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A

Placental insufficiency

YEAR 3 REVISION
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