Is intracytoplasmic sperm injection an add-on to conventional in vitro fertilisation for infertility without severe male factors?

• Rong Li,
• Rui Yang

Affiliations

Rong Li

1 Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, People`s Republic of China

Rui Yang

1 The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, Yunnan, China