Baby not gaining enough weight? Not “thriving”?

[PollyA]

My dd was just like this. 4kg at birth and eventually cruised between 10th and 30th centiles, I knew she was fine, a hungry baby doesn't sleep that well unless they're starving then they don't have alert times. She was weeing pooing and developing fine but the percentile chart disagreed. I went to a paediatrician who said there is nothing wrong due to all of the above. The charts are only a guide and they are flawed. They ate based on formula fed bubs in the 70's.
Solids now would be fine if that's what you feel you want to do. See how he goes but honestly, don't stress too much.
Dd was tiny in mothers group. By 18 months she was the same size as all the budda babies. They just find their own way.
I would recommend NOT waking your peaceful sleeping bub for your good and his. I tried that too. Made our nights stressful as she wasn't interested.
I think your boy sounds happy and healthy and you need to get yourself recovered too.
Hugs
I wouldn't wish the stress about weight gain on my worst enemy. Dd never gained triple figures... Ever! And it was unnecessary stress. She is an average sized dancing, climbing , laughing BEAUTIFUL 3 year old now.

[Olive]

its completely normal for bubs weight gain to plateau around this age, no need for solids, keep doing what you are! as long as hes not losing weight!

[onthefly]

Your baby is still gaining some weight - good.
Your nurse is not worried - good.
Your baby is happy and active - good.
Mummy is stressed - not good....
My DS was 4.3kg at birth and quickly dropped down the charts. He's still a lightweight but has been pretty steady at 40th-odd percentile for height. Have you looked at the WHO charts for a comparison - he might look better on those ones.

Are you bf as well as expressing? Are you working...? (sorry I get everyone's stories mixed up)
Teh best thing for supply is more feeding - so if you can get extra feeds in that would work best. Solids won't help with weight gains generally because they displace milk (best source fo nutrition at this age) and are generally fruit/veg etc at this point and so low calorie.

I don't think the day naps are any indication of low supply - they can be utter crap sleepers with plenty of milk in them.

The best indication of supply, besides weight gains, is output - how many wet & dirty nappies? (at this age maybe not so many dirty ones, but still getting lots of wet ones?)

I think you're doing very well and your DS is thriving on your milk - he's just not a big boy.