Just how safe is assisted reproductive technology for treating male factor infertility

Assisted reproductive technology (ART)has been responsible for the birth ofover 3 million babies since the deliveryof Louise Brown in the UK 28 yearsago. Currently, one in 80–100 childrenborn in the USA, one in 50 born inSweden, one in 40 born in Australia andone in 24 born in Denmark are theproduct of this form of treatment. In2003, more than 100,000

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