A mother has chosen to freeze her own eggs for possible use for her infertile daughter, to preserve her fertility options. The scenario, if the daughter chooses to use the eggs, would result in the daughter giving birth to her half-sister. Egg freezing is a relatively new option for women; it is unclear whether the eggs will survive 15-20 years in the freezer, until the daughter reaches typical childbearing age.
The daughter’ infertility is a result of Turner’s syndrome, a genetic condition in which a female is born with only one X chromosome. Females normally have two X chromosomes, while males have one X and one Y chromosome.
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