It’s a little weird that they put early onset sga. SGA itself isn’t a pathology as such it’s just means that baby is measuring under the 10th centile, 7/10 sga babies are ‘constitutionally small’ meaning there is no pathological reason they are small, it’s just how they are, although those babies typically measure between 3rd and 10th centile. IUGR or FGR means something is hindering the growth of the baby in utero, most commonly placental dysfunction, although genetic conditions, infections, drug use, and rarely maternal malnutrition can contribute to this.
Point is, those terms aren’t direct synonyms with each other and aren’t interchangeable.
Have they recommended further testing?
I imagine you’ll have regular growth scans and arterial dopplers (scan to check the blood flow to and from placenta it’s the best indicator if placenta is functioning). So depending on how baby grows, placenta is looking and how you are will determine the management plan.
Looks like the flow to and from placenta is ok.
The consultants will look for baby to grow along their curve, brilliant if they move up, but they’ll be happy if baby grows along efw curve even if that is the 1% curve. If that’s the case they’ll continue to monitor and most likely recommend induction or c section at 37 weeks.
Have a look at the saving baby’s pathway, it talks a lot about management plans for small babies. Check your hospital follows that.
If you’re on Fb there is a support group called iugr support group uk that I’d really recommend joining. There are a lot of incredible children there born at 500g that are thriving now!
DD was 5lb at 37 weeks (measured between 5/10th centile from 32 weeks onward) although my dates were 100% wrong. She’s still small now between 9/25th centile but we’re not a tall family ourselves. She’a very healthy. I know how scary it is, I worried myself sick. But I’d stay off google too xx