Their research in the late '60s, early '70s changed the lives of many — since then, over 12 million babies have been born as a result of IVF and other assisted reproductive technologies like it. Directed by Ben Taylor,

Netflix's Joy follows what went into the landmark development of in-vitro fertilization, with a focus on IVF pioneer Jean Purdy

Toward the end of Netflix’s “Joy,” the muffled cry of a newborn baby prompts a man and woman in a hospital to embrace out of pure bliss. They aren’t the parents, but they had as much to do with the birth as the mom and dad.

Inspired by the true story of the development of the first IVF baby, Joy accurately retraces the steps that brought the scientific breakthrough.