5-year-old girl who started going through puberty as a baby due to rare condition may freeze her eggs

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Jam Press. (2026, September 25). 5-year-old girl who started going through puberty as a baby due to rare condition may freeze her eggs. New York Post. https://nypost.com/2026/09/25/health/little-girl-started-puberty-as-a-baby-due-to-a-rare-condition/

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

New York Post · collected 2026-09-25 · by Jam Press

Quick Summary

Sophie Dumas discovered that her 10-month-old daughter, Sienna, had central precocious puberty (CPP), a rare condition causing premature onset of puberty symptoms. After distressing medical tests, including hormone stimulations and bone age X-rays, doctors recommended regular injections of a GnRH analogue to suppress the hormones responsible for early puberty. Sophie is now considering freezing Sienna’s eggs due to the long-term effects of CPP on fertility.
Written locally by qwen2.5:14b on 2026-09-25, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

A 41-year-old mother in London, named Sophie Dumas, is considering freezing her five-year-old daughter Sienna's eggs due to a rare condition called central precocious puberty (CPP), which started when Sienna was just 10 months old. A health visitor first noticed that Sienna’s breast tissue appeared enlarged and referred them to doctors who confirmed the diagnosis through distressing tests, including blood tests known as stim tests. Sienna needs regular hormone-blocking injections to delay puberty temporarily. Sophie is concerned about the emotional impact of such early development on her daughter's mental maturity and how it might affect her self-esteem in the future.

Written for “Egg Freezing For Pubescent Child” on 2026-10-15, grounded in this article and the 1 other(s) covering the same event.

Story

📰 Egg Freezing For Pubescent Child
Health · 2 article(s) covering the same event. See how they differ ↓

Compared with similar articles

This article reads unscored and hedges 10% of its claims. Each row says how that neighbour differs.
Daily Mail · 0.91 cosine similarity
⚖️ leaning not scored 🔴 12% hedged 5 of 40 📰 publisher trust 64
“Both articles describe the same mother considering egg freezing for her five-year-old daughter who started puberty at 10 months due to a rare condition.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
49
sentences that state something as happening or true
Uncertain
10%
5 of 49 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
67/100
New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
2
Health
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-25 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

New York Post · 10468 article(s) · 30 correction(s) detected
Running correction rate · 30 correction(s)

Who wrote this

Jam Press
2 article(s) here · 1 carrying a prediction
🔮 The only way Sophie could soothe her daughter through the procedures and tests was to breastfeed her, with a heavy blanket covering them.
🔮 At its worst, Jess says the pain could feel as though she was “burning alive” one moment before being “thrown into an ice bath” the next.
Wire or desk byline, not an individual reporter.
Also by Jam Press
Nothing else under this byline is closely related to this article, so these are simply their most recent.

Topics

London

Subjects

Sienna PERSON · 13× Sophie PERSON · 9× London GPE · 1× Sophie Dumas PERSON · 1×

Narrative

“My main concerns are that all little girls want to grow up before they should, and the pressures around things like breast size, so I am worried that once Sienna understands what would happen if she were to refuse her treatment early so that she goes through puberty, her mental maturity wouldn’t be ready for all that comes with it,” she said.
framing: assertive · carried by 1 article(s) · first seen 2026-09-25
🔮 The only way Sophie could soothe her daughter through the procedures and tests was to breastfeed her, with a heavy blanket covering them.

Claims (49 extracted, 5 hedged)

A mother is considering freezing her young daughter’s eggs after she started going through puberty at just 10 months old. asserted
she → consider → puberty
Sophie Dumas was completely unaware that anything was unusual about her daughter, Sienna, until a health visitor noticed that the baby’s breast tissue appeared enlarged. asserted
tissue → notice → daughter
The 41-year-old took her daughter to the doctor and the pair were referred to pediatric endocrinologists who began investigating whether she had precocious puberty. asserted
she → take → puberty
After a series of distressing tests, Sienna was diagnosed with central precocious puberty (CPP) — a condition in which the brain begins sending the signals that trigger puberty much earlier than usual. asserted
that → diagnose → puberty
“Sienna was a happy and healthy baby,” Sophie, from London, told creatorzine.com. asserted
Sophie → tell → creatorzine.com
“The breast buds weren’t something I’d noticed before, and as babies are usually the sort of chubby that makes them that little bit more adorable, and also that she was breastfed, I didn’t think anything of her appearance as being out of the ordinary.” asserted
I → notice → ordinary
The tests she underwent, Sophie said, were horrible for the whole family. asserted
Sophie → undergo → family
“She had what was referred to as stim tests, which was a term I went on to dread, which involved blood tests to take a baseline to measure the LH level — the hormone that regulates puberty — then injecting her with a synthetic hormone to see how her blood hormones react over a period of different timeframes.” asserted
hormones → have → timeframes
The tests meant spending a whole day in hospital. asserted
tests → mean → hospital
“Sienna became so stressed that she sweated the cannulas out, and one of her veins collapsed,” Sophie said. asserted
Sophie → become → veins
“They then had to draw her blood via another method from her heels with a pin-prick.” asserted
They → have → prick
Sophie said the experience was “incredibly distressing.” asserted
experience → say → ?
“They had to carry out X-rays to determine Sienna’s bone age, which was awful as they needed her to keep her hand flat and still whilst the X-rays were taken,” she explained. asserted
she → have → X
“That’s not easy for a 10-month-old to do. asserted
old → ’ → ?
The only way Sophie could soothe her daughter through the procedures and tests was to breastfeed her, with a heavy blanket covering them. uncertain
blanket → soothe → them
A few weeks later, the family received the news that Sienna’s tests were positive for precocious puberty. asserted
tests → receive → puberty
Sophie said she had never heard of the condition and was left desperately researching what it meant for Sienna. asserted
it → say → Sienna
“I found that the lack of knowledge about it very hard, and the only parents I could find to talk to were via Facebook groups for it, but even then, they were parents of seven- to eight-year-olds, so it was never relevant,” she said. uncertain
she → find → olds
“It feels very isolating, and I still have so many questions about it, mostly about how I can explain this to Sienna.” asserted
I → feel → Sienna
Doctors said that she would need regular injections of a hormone blocker known as a GnRH analogue to suppress the hormones responsible for puberty. asserted
she → say → puberty
Sienna also underwent an MRI to determine whether there was an underlying cause for her condition, as in some cases, CPP can be linked to abnormalities in the brain. asserted
CPP → undergo → brain
Sophie said the possibility was “terrifying.” asserted
possibility → say → ?
Thankfully, Sienna’s MRI was clear, and she was diagnosed with CPP, which has no known cause in many children and is more common in girls. asserted
which → diagnose → girls
Without treatment, Sienna, now five, would have progressed through puberty years before her peers. asserted
Sienna → progress → peers
While the condition is not life-threatening, her doctors said that early puberty can affect final adult height because children initially grow rapidly, but their growth plates can mature sooner. “The emotional impact this may have on Sienna could be devastating,” Sophie said. uncertain
Sophie → threaten → Sienna
Having any sorts of differences today can lead to all sorts of bullying, isolation and mental health issues.” asserted
Having → have → bullying
“We all want our children to remain children for as long as we can, to maintain those magical dreams and nurture vivid imaginations with fairies and princesses, so Sienna’s body trying to rob her of her youth felt unfair,” she continued. asserted
she → want → youth
“CPP is certainly not life-threatening, but it is somewhat life-changing.” asserted
it → threaten → ?
Even so, Sophie is reluctant to complain, saying she’s “incredibly lucky” to have a healthy, happy daughter. asserted
she → complain → daughter
“However, when it’s your daughter who you have to hold down so the doctors can take bloods or give her injections, and she’s crying, ‘Mummy, please help me, please don’t let them hurt me,’ it is heartbreaking,” she admitted. asserted
she → ’ → me
“I also can’t tell her that she needs to have these injections to stop her getting sick, as this is untrue.” asserted
this → tell → injections
The young girl now goes in for an injection every four weeks. asserted
girl → go → injection
“Sometimes she’s absolutely fine about them, but there are still lots of occasions where she kicks, screams, hides and as her parent, it’s a labor of love, knowing it’s best for her, but it does kill you inside,” Sophie said. asserted
Sophie → ’ → you
The family has been told that Sienna is likely to remain on the hormone-blocking treatment until she is around 11 or 12, although this will depend on her bone age and how she develops. Sophie is now looking ahead to her daughter’s future and is considering whether egg freezing could give Sienna more options when she is older. “I’m currently looking into that possibility in case her condition affects her fertility later down the line,” she said. uncertain
she → tell → line
“When she was diagnosed, I was worried that she may not be able to start a family of her own one day if she wanted to, that the choice may be taken away from her. uncertain
choice → diagnose → her
Hopefully, the hormone blockers will prevent this from affecting her fertility.” asserted
blockers → prevent → fertility
The effects of the condition are already beginning to surface. asserted
effects → begin → condition
“Sienna’s getting to an age where some of the untreatable symptoms are causing her to deal with spots on her face in the areas that are linked to hormones,” Sophie said. asserted
Sophie → get → hormones
“It’s difficult explaining it to her.” asserted
It → ’ → her
“No one wants to think of their child being upset, especially when it’s from what someone else has said to them,” Sophie said. asserted
Sophie → want → them
…and 9 more, not listed.
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