Forty years on from the birth of the first ‘test-tube baby’, Louise Brown, IVF has advanced further with many new tests and treatments available. But the success highlights the continuing struggle for many potential parents and the complexity of the issue. Jheni speaks to some of the leading lights in fertility about factors that have been considered and discussed in the past and why a new direction is being taken by some.
Meanwhile in the animal world, fish, birds and other creatures are being affected by pollution from humans. Jheni hears what research has found in different species and asks what can be done.
Producer: Anne-Marie Bullock