Or something like that.
Spanish firm iGenomix, which developed the test, says pre-pregnancy genetic screening could soon become as commonplace as ultrasound scans and cut the number of children born with diseases like muscular dystrophy from one in 25 to one in 100,000.
A recent study by iGenomix found that 8 per cent of couples were "clinically incompatible", meaning both had the same faulty DNA.
Such couples would be told there was a one in four chance of their child being ill and counselled on their options.
These include an IVF technique, in which only healthy embryos are implanted in the womb, the use of donor eggs or sperm or adoption.
Some women may opt to get pregnant naturally and abort later.
On the other hand, if firms like Ancestry dot com are any guide, this is junk science at its worst.
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