Actually, Tony is helped by a young boy, Harley (played to natural perfection by Ty Simpkins).

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Dr Simpkins, however, thinks an oestrogen-led approach could bring hope for men as well.

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Mr Bowen-Simpkins said women should lose weight before they tried to become pregnant.

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"We offer the broadest suite of motion products available from any single supplier today, " said Dan Simpkins, founder and CEO of Hillcrest Labs.

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To test Semenya's gender, Dr. Bowen-Simpkins said the IAAF test would involve her being examined by a gynecologist to see what her genitals look like.

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Dr Bowen-Simpkins also said the condition was "more common with a multiple pregnancy", adding the couple "would know by now whether there were twins there or not".

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Dr Peter Bowen-Simpkins, of the Royal College of Obstetricians and Gynaecologists, said it was quite possible that the sex of a baby was decided by factors other than pure chance.

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