Thirty years ago, medical science mesmerised the world with the first test-tube baby, born through a process called in vitro fertilisation (IVF). At that stage, however, technology had not advanced far enough to prevent birth defects in IVF babies.
A company handout of a microscopic image of sperm being injected into an egg at the Sydney IVF Clinic in Sydney.
Today, a pioneering chromosome screening technique invented by British and American scientists may offer the solution. Known as comparative genomic hybridisation (CGH), the new method enables detection of chromosomal abnormalities in embryos before implantation in IVF.
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