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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Dd is gaining weight rapidly and I don’t know why

305 replies

megabrilliant · 26/02/2026 15:21

I weighed my dd today she is 10 and weighs 7 stone 2 at 4 foot 8 which puts her at 96 centile.
I weighed myself at the same time and I was 7 stone 1 which at 5’2 makes me marginally underweight but only by a couple of lb.
My 8 year old was only 4 stone something and smack bang in the healthy range.
I just don’t understand and I know people must think I feed her junk but I give them both the same breakfast, same packed lunch and cook them the same dinner and so if anything the youngest eats more for her age as she eats the same size meals.
I walk them to and from school each day which is about 15 minutes each way so that’s half an hour exercise and they both do activities out of school plus we go swimming and are quite an active family generally.
No sweet drinks or junk food.

An average day will look like this.

Breakfas
2 pieces of toast and spread or bowl of porridge or very occasionally a croissant or hot cross bun for a change.

Packed lunch
Sandwich or wrap with ham or cheese.
yogurt
piece of fruit
cereal bar for snack at break and water.

Dinner
Meat, all fresh like chicken breast or pork chops, veg, potato or rice or pasta, occasionally beans but rarely.

If they are hungry later they have fruit or cheese or cracker type biscuits but other than that I can’t see how she is ballooning in weight.
I used to give her size 6 clothes I didn’t wear anymore because she fitted in them and now she doesn’t and I’m buying primary school uniform in age 15 online and she’s in teen clothes, I bought a coat in age 15 and she’s struggling to do the zip up.
Her teeth are good, she isn’t a good sleeper but is there anything else I can do for her or is she just a bit bigger but can that still be healthy, I think people think it’s neglect and I’m giving her the wrong food but we all eat the same.

OP posts:
SnappyRoseFawn · 26/02/2026 19:44

Love2read12 · 26/02/2026 16:03

Read it all now. Asking if she could be pregnant ffs what a reach. Age 10 you should be disgusted with yourself for suggesting. Let’s go to the most extreme thing and suggest it. Perhaps could she has under active thyroid or hormone condition would be my first thought not child pregnancy. Op honestly ignore all these post. MN proves again sados with nothing better to do

Sadly girls are abused on a daily basis it’s a very normal sensible question

G5000 · 26/02/2026 19:44

I also can't agree with all the 'oh just puppy fat, here is my anecdote about someone who was chubby and then suddenly slimmed down and is a total beanpole!'
65% of adults in the UK are overweight, clearly not everyone slimmed down. And obese children are several times more likely to be obese adults compared with healthy-weight children.

Cappie73 · 26/02/2026 19:44

megabrilliant · 26/02/2026 15:37

She does look big but it mostly her stomach

It’s called puppy fat

whyyyyyisitmonddayy · 26/02/2026 19:50

why tell us how much you weigh?

bruffin · 26/02/2026 19:54

G5000 · 26/02/2026 19:44

I also can't agree with all the 'oh just puppy fat, here is my anecdote about someone who was chubby and then suddenly slimmed down and is a total beanpole!'
65% of adults in the UK are overweight, clearly not everyone slimmed down. And obese children are several times more likely to be obese adults compared with healthy-weight children.

But it is true, neither of my children were over weight, got puppy fat before puberty hit and then shot up. I did the same back in the 70s

whyyyyyisitmonddayy · 26/02/2026 19:54

nondrinker1985 · 26/02/2026 15:32

Why you weighing her? Your whole post smacks of disordered eating to me - and that’s you.

This. As someone WITH anorexia this is literally so fucking clear “I’m slightly underweight look how skinny I am!!!”

Thepossibility · 26/02/2026 20:11

My DD had this right before puberty. She shot up to as tall as me suddenly and her feet went two sizes bigger. I had to it buy her a whole new wardrobe.
I'm glad I never said anything to her about it.

DesertRome5 · 26/02/2026 20:15

Ugh. My family has given me a lifetime of body issues after the same thing happened to me. I had the misfortune of starting puberty early and put on a lot of weight on my boobs, stomach and arse around the age of 10. Lost it all by age 13 when my height shot up. Everyone gushed over how pretty I suddenly was. After 3 years of my mum and aunties restricting food because I was getting fat... the damage had been done. Awful.

Just back the fuck down.

DesertRome5 · 26/02/2026 20:16

G5000 · 26/02/2026 19:44

I also can't agree with all the 'oh just puppy fat, here is my anecdote about someone who was chubby and then suddenly slimmed down and is a total beanpole!'
65% of adults in the UK are overweight, clearly not everyone slimmed down. And obese children are several times more likely to be obese adults compared with healthy-weight children.

This child is not obese far from it.

KimuraTan · 26/02/2026 20:17

nondrinker1985 · 26/02/2026 15:32

Why you weighing her? Your whole post smacks of disordered eating to me - and that’s you.

This. What’s your own relation with your weight? Do your kids get enough exercise?

I never weigh my kids nor myself.

123teenagerfood · 26/02/2026 20:22

Peonies12 · 26/02/2026 15:31

for their sake; please immediately throw your scales away. Fixating on numbers is only going to damage her body confidence. My mum never had scales in the houses and I never will. It’s very bizarre weighing your children.

Edited

Weighing children is not bizarre, its one of the first things we do to a baby. Being a healthy weight is a sign of good health. We need to teach children about weight, that it fluctuates. As a society we have villanised the weighing scale and have long lost site of what a healthy weight is.

illbetheresunorrain · 26/02/2026 20:29

even if she was a bit plump, so what.

illbetheresunorrain · 26/02/2026 20:29

123teenagerfood · 26/02/2026 20:22

Weighing children is not bizarre, its one of the first things we do to a baby. Being a healthy weight is a sign of good health. We need to teach children about weight, that it fluctuates. As a society we have villanised the weighing scale and have long lost site of what a healthy weight is.

not true. We worship it

illbetheresunorrain · 26/02/2026 20:32

but to be realistic, you are overfeeding her with carbs. Some people grow large and large on too much bread, cereal, potatoes, rice, etc. I do. When I don't eat much carb, I am very slim. But since I eat bread and cake I very overweight

G5000 · 26/02/2026 20:36

DesertRome5 · 26/02/2026 20:16

This child is not obese far from it.

Using the UK 1990 (UK90) growth reference charts (the ones used by the NHS): A BMI of 22.5 at age 10 is approximately around the 96th–97th percentile.
What that means on UK charts

  • 85th–<91st centile → Overweight
  • 91st–<98th centile → Obese
Purpl · 26/02/2026 20:38

My friend who is a nurse & heslth visitor said to me that they all go a bit podgy/ ugly ducking stage at thst age thdn grow and enter inti puberty. You could discretely add more veg and remove a bit potato but other than that in would wait a year before worrying. What is her shoe size? Feet and head grow and stop first. If her feet are near your size or bigger she is likely going ti be taller than youvabd therefore heavier long term.

Watchoutfortheslowaraf · 26/02/2026 20:38

DesertRome5 · 26/02/2026 20:16

This child is not obese far from it.

She is obese though with those measurements. A sudden change in appearance in a child does need to be looked into - it shouldn’t necessarily be brushed under the carpet as ‘puppy fat’

Purpl · 26/02/2026 20:40

Also im really suprised she cant zip up a coat age 15. What adult size is she i would have thought an 8 max in say new look.

megabrilliant · 26/02/2026 20:45

whyyyyyisitmonddayy · 26/02/2026 19:54

This. As someone WITH anorexia this is literally so fucking clear “I’m slightly underweight look how skinny I am!!!”

I’m sorry you suffer with an eating disorder but I think you may be projecting.
I am just the size I am and I eat a very normal amount of food, my mum is 80 this year and has been this size all her life too.
I can assure you being 5 foot 2 no boobs, no bum and no shape is nothing I aspired to be, but it’s my body shape none the less and has been for 47 years.
I am only 2 lb underweight, I rarely weigh myself so this was one random reading so with fluctuation I may have been 2 lb heavier a few days ago or even in a few days time then I would have put I was in a healthy weight range in fact I weighed myself first thing this morning and since then I’ve eaten 3 meals and fluids so perhaps if I were to weigh myself again I would probably be within the healthy range now for my short arse.
I don’t look underweight and I enjoy a few glasses of wine at the weekend so please don’t make stereo type assumptions about my body.
I simply addressed the weight of the other people who eat the same meals to highlight that my daughters weight was not food related as I was concerned that something else was at play, not to be criticised about my own body.

If she is going through a normal hormonal change which I hope is all it is then that’s good but what’s wrong with asking other mums advice if I should be concerned about her health after a sudden change.
She doesn’t know anything about it and thinks the reason I weighed her was to see if she still needed her booster seat.

OP posts:
Epidote · 26/02/2026 20:49

Sometime is not about food, take her to the doctors.

HildegardP · 26/02/2026 20:50

Kids often add a few plumptions before a growth spurt, I wouldn't fret for a while yet.

usedtobeaylis · 26/02/2026 20:50

Girls at this age can and do gain weight rapidly, it's normal. If there are no other issues or symptoms then just keep being healthy. And don't keep putting her on the scale.

megabrilliant · 26/02/2026 20:50

Purpl · 26/02/2026 20:38

My friend who is a nurse & heslth visitor said to me that they all go a bit podgy/ ugly ducking stage at thst age thdn grow and enter inti puberty. You could discretely add more veg and remove a bit potato but other than that in would wait a year before worrying. What is her shoe size? Feet and head grow and stop first. If her feet are near your size or bigger she is likely going ti be taller than youvabd therefore heavier long term.

Yes she’s already got bigger feet than me, I’m a 3 and she is now in a 5 so hopefully she will be taller.

OP posts:
Psychosislotus · 26/02/2026 20:55

bafta16 · 26/02/2026 16:06

7 stone? Really?

Yes that’s really low.

I am a size 8/10 on top - I like an oversize look. Flat stomach. Size 00 in jeans. And I just weighed myself last week for ski bindings and was shocked to know I am ten stone 5 (in clothes and trainers). That’s crazy. I thought I was 9ish.

I was once really mentally ill and dropped to 7’5. Honestly I was like skin and bones. I still am half skin and bones tbh if I look at things like my wrists, ankles, ribs. So no idea how a grown woman is sustaining 7 stone in a healthy manner.

megabrilliant · 26/02/2026 20:58

illbetheresunorrain · 26/02/2026 20:29

even if she was a bit plump, so what.

Absolutely nothing as long as long as she’s in good health, It’s not about her appearance, just her well being.

OP posts:
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