IVF with micro-injection: When to Prefer ICSI over IVF?

Since in vitro fertilization with micro-injection known as ICSI exists and is offered to the couples, there are no longer many differences between conventional IVF and IVF with sperm selection. Everything happens as if the sperm is entirely normal. But obviously, IVF with ICSI has greater chances of success hence; ICSI over IVF is a better solution when we talk about male infertility.