Bella - Im going to say stop stressing. And I mean that sincerely! I dont think that your little lad is failure to anything. He is probably just reacting to the reflux and will probably gain and lose in steady streams. Im sure the increase then drop is worrying but he is still well on the charts! Is he wetting regularly? Pooing? Is his colour good? I know he is unsettled but the poor poppet has reflux so I cant imagine that's a walk in the park.

Wilder could probably fall into the failure to everything category. He was born small for dates (2.5kg at 39wks), he was barely in the 3rd percentile then by month 2 had fallen off the charts entirely! I panicked, imagining worse case scenario's. I got all sorts of ridiculous advice from dr's etc. He was happy, healthy and functioning properly though. Just not following the "appropriate" weight gains. I made myself sick over it. Then at month 7 he popped back on the charts with a big sudden gain, then a few months later fell off again lol He now sits barely on the charts at 18mths - 80cm and 9kg - but he eats like a pig lol He is a very small lad, even in bone structure - his head is the only large thing about him - it sits in the 97th percentile My husband and I arent big in bone structure; the other boys were fat babies and gained like crazy but two of the 3 are now lean and lanky and one (my smallest baby previously) is ridiculously huge, off the charts the other way for his age! My breastfed baby before Wilde gained on average 250g a week, he was FAT and I mean that in the nicest way; yet Wilde barely managed on average 60-100g a week. Same breastmilk, same boobs but different kid!

I guess what Im trying to say is - by all means seek medical advice if its worrying you but kids are what they are - some are chubs, some arent, some follow all the "rules" and a lot dont. Your treating his reflux so hopefully that will improve steadily and you'll see an improvement in his weight too, but for now he is still well within a normal range for weight and you'll probably see a gain again very soon! If you see a marked loss in output vs input, or he stops feeding entirely, then definitely seek help.

I hope that all came out right!