Women desperate to have children are being lured into unprotected sex as part of a growing industry of black-market sperm donation.
The rise in same-sex couples and aging mothers has caused the price of a round of IVF to rocket to up to $30,000 in recent decades, leaving many unable to afford to go the official route.
An increasing number of would-be parents are turning to a Facebook group where men offer to donate their sperm for little or no