Most major media covered the March 22 Tokyo news conference where Sachiko Kishimoto of the nonprofit organization Oocyte Donation Network (OD-Net) explained how a woman in her 40s had recently given birth to a daughter who had been conceived using the woman's husband's sperm and an egg from a third party. Though there have been instances in Japan of women giving birth by using the eggs of friends or relatives, this was the first publicized case in Japan of a baby successfully coming to term with the help of an anonymous egg donor.