Mackenzie Jarvis was born with Turner Syndrome, a chromosome abnormality which causes infertility.

BBC: Sheffield mother to freeze eggs for infertile daughter

As well as infertility, Turner Syndrome also causes growth problems and is associated with heart, kidney and thyroid problems, bone disorders and hearing and ear problems.

BBC: Sheffield mother to freeze eggs for infertile daughter

Because Turner syndrome can result in several developmental problems and medical complications, a number of specialists may be involved in screening for specific conditions, making diagnoses, recommending treatments and providing care.

CNN: Turner syndrome

It was then she was diagnosed with Turner Syndrome.

BBC: Sheffield mother to freeze eggs for infertile daughter

Although the parents opted for termination on learning the news in most cases, if left to develop, these foetuses might have suffered from chromosomal conditions such as Down's syndrome and Turner's syndrome, which causes infertility in women.

BBC: Genetic fears over sperm retrieval

Dr Skuse and his team looked at 80 girls with Turner's syndrome.

ECONOMIST: Genetics and behaviour