The number of boys born in Hong Kong is soaring compared with girls, spurred by an influx of mainland mothers who prefer sons. Many use sex-selection services that are illegal across the border.
A Hong Kong biotechnology laboratory has been banned by private hospitals amid fears that mainland mums-to-be are using its services for unethical sex selection.
Doctors believe that some women are abusing a genetic test offered by DiagCor Bioscience which can identify the sex of a baby and its chances of developing a severe sex-linked genetic disorder. Parents who have a family history of a severe genetic disorder use this test to determine the chances of the fetus developing a severe genetic disease.