First of a seven-part documentary series, set in Professor Robert Winston's clinic at London's Hammersmith Hospital, following the fortunes of couples trying to overcome infertility.
Tonight, Tania and Ray embark on their first IVF or "test-tube" treatment. They have only a one in four chance of Tania conceiving but, undeterred, they borrow the money to pay for the treatment and wait for the results.
See today's choices.
See Dr Mark Porter: page 35