Aggregated News

The head of a Seoul fertility clinic associated with an embattled Korean stem cell researcher said yesterday that he paid 16 women for their eggs, according to a South Korean newspaper report.

Sung Il Roh, chief of the MizMedi fertility clinic, said he paid for the eggs out of his own pocket, according to a report in Chosun Ilbo. He said he did so without informing Woo Suk Hwang, the high-profile stem cell biologist who used the eggs in his research and has been embroiled in controversy in the 10 days since his American collaborator broke off relations and charged the Korean team with unethical behavior.

Roh's revelations shed new but still incomplete light on a mystery that has only deepened since University of Pittsburgh stem cell researcher Gerald Schatten announced he was pulling out of his 20-month collaboration with Hwang, whose work in the past two years has led to significant advances in the creation of medically promising human embryonic stem cells.

Just weeks before the breakup, Schatten and Hwang had announced plans to launch an international project to...