Small for Gestational Age Flashcards
What is SGA?
Weight <10th centile
What is severe SGA?
Weight <3rd centile
What can cause SGA?
Constitutionally small
Fetal growth restriction
What are risk factors for SGA?
Maternal age >35 Nulliparity Previous SGA baby Smoking Obesity HTN/pre-eclampsia
How is SGA diagnosed?
USS
- estimated fetal weight
- abdominal circumference
How is fetal weight estimated?
Abdominal circumference
Head circumference
Femur length
How is SGA monitored?
Serial growth scan + umbilical artery doppler
How is SGA managed?
Lifestyle advice
Manage chronic conditions
Early delivery + corticosteroids
What is FGR?
Pathological process that has restricted genetic growth potential
What are the broad causes of FGR?
Placenta mediated
Non placenta mediated
What are causes of placenta mediated FGR?
Idiopathic
Pre-eclampsia
Maternal smoking/alcohol
Anaemia
What are causes of non placenta mediated FGR?
Genetic abnormalities
Structural abnormalities
Fetal infection
What are features of FGR?
SGA
Low amniotic fluid volume
Reduced fetal movements
Abnormal CTG
What are complications of FGR?
Fetal death
Birth asphyxia
Neonatal hypothermia
Neonatal hypoglycaemia
