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LBW and SGA
| Question | Answer |
|---|---|
| what is LBW | babies born under 2500g regardless of gestation |
| describe SGA | babies born below the 10th centile according to gestation, regardless of weight |
| decribe IUGR | babies who have not met their growth potential (look wasted etc) |
| causes- placental | placental insufficiency, unexplained elevated AFP, Pre-eclampsia, abruption, praevia, accreta, infarctioncircumvallate, haemangioma |
| causes- maternal | Pre-existing disease (cardio, renal, hypertension etc), familial, trisomys, substance misuse, poor nutrition |
| causes- fetal | abnormalities (trisomy, achrondoplasia) infection, multiple gestation, metabolic (PKU) |
| risk factors, maternal | born SGA, etnicity, underweight, smoker, nulliparity |
| risk factors, obstetric | very short of long gestational intervals, previous SGA infant, previous Stilborn |
| risk factors, pregnancy | heavy bleeding, abruption, pre-e, hypertension |
| risk factrs, paternal | changed paternity, short, born SGA |
| symmetrical IUGR is associated with... | poor nutrition, smoking, alcohol, infection, abnormailities |
| Asymmetrical IUGR is associated with... | decreased 02 or nutrients after organ development, placental insufficency |
| combined risks of A/Symmetrical IUGR | hypoxia, hypothermia, hypoglycaemia/calcaemia, polycythaemia, jaundice |
| long term risks of IUGR | elevated Bp, NIDDM, CHD and Stroke |