I was sent to have a growth scan today after my midwife measured my bump smaller than expected at my 28 week appointment yesterday. I had my growth scan this morning and the sonographer seemed happy with his size and measurements. However he’s moved from 82nd centile (20 weeks) to 42nd centile at (28+6). He’s predicted to be about 2lb14, and they don’t seem concerned as he’s still within the average ranges but it feels like quite a drop! Has anyone else experienced this?
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Yup mine dropped from above 99th to 3rd she's started regaining weight now between 10 and 50th I was ill for a solid month and it was affecting her quite a bit but there's still time to turn it around so long as baby is moving and no obvious issues I wouldn't let it worry you at the moment

I had similar but the other way round, she was on the 10th centile then very quickly went up to the 51st but then my last scan she was 42nd but the midwife said she was growing beautifully so as long as they’re happy then I wouldn’t worry x

I think sometimes they do a really poor job of explaining the gap grow method to patients. I recently did my own research to understand it a bit more and have understood the following to be true generally: 1) everything is an estimate and also every measurement is subject to some margin for error. 2) the ranges represent what's normal but apparently it's a model which is really just meant to chart your baby's progress over time or between scans-- the main concern is if you see consistent measurements across all the points moving huge centiles in an interval between one scan and the next 3) apparently it's totally normal to have the head be 80th centile and the legs be 20th centile and the arms be 50th. I was worried that I was the only one looking likely to have a baby with a huge stomach and long arms and tiny legs. The midwife said a lot of people's numbers are all over the place across the different measurements and that is totally normal. Would be interested to hear if anyone has conflicting information!