Who should consider ICSI? ICSI is considered absolutely necessary is in the case of male factor infertility with an abnormal semen analysis. In the Bay Area, however, about 75 percent of all IVF cases are now ICSI.

When should you have ICSI?

Your doctor may recommend ICSI if: you have a very low sperm count. your sperm are abnormally shaped (poor morphology) or they don't move normally (poor motility) you've had IVF previously and none, or very few of the eggs fertilized.

Is ICSI better than conventional?

A recent large, observational study based on national data from the USA has demonstrated that in non-male factor cycles, ICSI use was associated with lower rates of implantation compared to conventional IVF (23.0% versus 25.2%, respectively; adjusted RR, 0.93; 95% CI, 0.91–0.95) and live birth (36.5% versus 39.2%, ...