born too early too small Flashcards
what is too small
<2500g
common problems when small for dates
perinatal hypoxia hypoglycaemia hypothermia polycythaemia thrombocytopenia GI problems
long term problems small for dates
HTN
reduced growth
obesity
ischemic heart disease
small for gestational age
infant born with birth weight <10th centile
preterm
< 37w
extremely preterm
<28 wks
low birth weight
< 2500g
very low birth weight
< 1500g
extremely low birth weight
< 1000g
SGA
<10th decile weight, length, head circumference
can be assoc with IUGR
IUGR
failure to reach full growth potential
risk for preterm delivery
symmetrical or asymmetrical (head spared)
symmetrical IUGR
trisomy 21, 18, 13
fetal alcohol
intrauterine infections e.g. CMV
asymmetrical IUGR
head growth spared
maternal HTN
malnutrition
other maternal debilitating condition
causes of small for dates
maternal: PET, smoking placental problems chromosomal e.g. Edwards fetal infection e.g. CMV twin pregnancy
common problems when premature
respiratory distress syndrome intra-ventricular heamorrhage peri-ventricular leucomalacia necrotising entero-collitis persistent ductus arteriosus retinopathy of prematurity broncho-pulmonary dysplasia post-heamorrhagic hydrocephalus hypoxic-ischaemic encephalopathy