scientific advancement. john terrett takes a look at how the business of babe yeas has no shortage of customers. it's a meaning of science. hundreds of thousands - the first test tube baby was born in 1978. ipp vitro fertilization a routine, more than 5 million has been conceived using i.v. f, turning cutting edge science into a hugely lucrative business or is a business growing quickly. word around 9 billion a year and expected to grow to $21 billion. on average would be parent will pay $12,000 for a single treatment. spawning a medical tourism. from thailand israel. where they can be as little as one-third. britain will pass a law for