From May 10 to 15, Steven Fleming, a famous professor in reproductive medicine and expert in embryology and genetics from Australia, had academic exchanges in some centers for reproductive medicine in Guangdong, invited by Origio Biotech (Shanghai) Co., Ltd. and Guangzhou Changdu Medical Technology Co., Ltd. Steven Fleming is a senior researcher in the School of Medicine of the University of Queensland, Australia, an honorary researcher in the School of Medicine of the University of Sydney, and a visiting professor in the School of Biomedical Sciences, University of Ulster, Northern Ireland. He has worked in embryo laboratory for more than 30 years, published more than 40 papers in international core journals, edited or co-edited nearly 20 professional books, and made contributions to IVF laboratory quality control, sperm treatment and other fields.

The first stop was Jiangmen Central Hospital in Jiangmen City, one of the hometowns of overseas Chinese. After a simple and warm welcome ceremony, Professor Steven visited the embryo laboratory, made pertinent suggestions on laboratory quality control, and gave special lectures about hot topics such as low-concentration sperm cryopreservation.

The second stop was Meizhou People's Hospital. The visit of Steven was valued by the leaders of the hospital and welcomed by all staff of the center for reproductive medicine. In the laboratory, Professor Steven made detailed suggestions on improvement and demonstrated ICSI operation.

Finally, Steven went to the center for reproductive medicine of the Guangdong Provincial Maternal and Child Health Hospital and Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, where he demonstrated the operations of low-concentration sperm cryopreservation and embryo biopsy.

The exchange with Steven was thought very helpful and enlightening by the members of the above centers for reproductive medicine, who hoped to receive guidance of more experts in relevant fields. Professor Steven, impressed by the vigorous progress of China in IVF, expressed his hope to have more exchanges in China.