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Since its introduction in 1992, intracytoplasmic sperm injection (ICSI) has enabled many couples with male factor infertility to bear children. However, this technique has also been used in many other couples undergoing in vitro fertilization (IVF) because it ensures that fertilization occurs. CDC investigators analyzed National Assisted Reproductive Technology Surveillance System data from 1996 to 2012 to assess national trends and reproductive outcomes of fresh IVF cycles using ICSI compared with conventional IVF.
Of nearly 1.4 million fresh IVF cycles, >65% used ICSI even though <36% involved male factor infertility. ICSI use increased in couples with male factor infertility from 76% in 1996 to 93% in 2012, but it increased by even more i…