Intracytoplasmic sperm injection (ICSI) is a procedure used in in vitro fertilization (IVF) to help fertilize an egg. ICSI involves injecting a single sperm directly into the cytoplasm of an egg. This process is done in the laboratory, under a microscope, and is used when there are issues with sperm function or quantity.
The process of ICSI starts with the same steps as IVF, that is the stimulation of egg production, egg retrieval, fertilization and embryo culture. However, the fertilization step is different, where instead of mixing the egg and sperm together and waiting for fertilization to happen naturally, a single sperm is selected and injected directly into the egg.
The process of intracytoplasmic sperm injection (ICSI) typically involves the following steps:
ICSI is typically recommended for couples who have been trying to conceive for at least one year without success and have been diagnosed with infertility related to sperm issues. This may include conditions such as: