Intracytoplasmic sperm injection (ICSI)

Intracytoplasmic sperm injection is used to help the male sperm penetrate the female egg for fertilization.


How intracytoplasmic sperm injection is performed

Also known as ICSI, intracytoplasmic sperm injection is a process where a tiny needle is used to inject a single sperm into a mature egg to improve the chances of fertilization. The sperm used in ICSI is typically collected through ejaculation, sperm aspiration techniques or through a small surgical incision in the testicle.

Following fertilization, the fertilized egg(s) – or embryo(s) – remain in a laboratory up to five days until ready for transfer into a woman’s uterus.


Reasons for doing intracytoplasmic sperm injection

Reproductive endocrinologists recommend ICSI in cases where:



Success and failure of intracytoplasmic sperm injection

The American Society of Reproductive Medicine website lists the overall fertilization success rate of intracytoplasmic sperm injection at 50-80%, although even fertilized eggs do not always result in a live birth.


Additional facts about intracytoplasmic sperm injection


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