Microfertility (ICSI): a method of assisted reproduction that is mainly used to treat fertility problems associated with sperm quality. Procedure: Selection of the appropriate sperm Injection into the egg. ICSI is appropriate for couples with a low number of eggs in an oocyte. ICSI is performed with Erica, a technique only provided by our clinic. Erica is an Application of artificial intelligence. Ensures the choice of the best embryo to implant, with an accuracy of 92.5%, increasing the probability of pregnancy on the 1st embryo transfer).