All over the planet, women are getting pregnant, over 200 million of them each year. Most of these pregnancies are unintended1. This means two things: a lot of babies, and a lot of surprises. Despite this, some 8% of couples are unable to conceive within two years and are considered infertile. Risk factors for infertility include age, previous medical history (sexually-transmitted diseases, cancer treatment) and obesity. Fortunately, a wide-range of fertility treatments are now available, although sadly...