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

A mother is considering freezing her young daughter’s eggs after she started going through puberty at just 10 months old.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.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.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.She was just 10 months old at the time.“Sienna was a happy and healthy baby,” Sophie, from London, told 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.”The tests she underwent, Sophie said, were horrible for the whole 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.”The tests meant spending a whole day in hospital.“Sienna became so stressed that she sweated the cannulas out, and one of her veins collapsed,” Sophie said.“They then had to draw her blood via another method from her heels with a pin-prick.”Sophie said the experience was “incredibly distressing.”“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.
“That’s not easy for a 10-month-old to do.”The only way Sophie co...