process called meiosis chromosomes are duplicated and recombined. in this process is reproduced in the lab it s more prone to errors. the lab grown sperm also have no motility they can t move so they re only suitable for in vitro fertilization. the technique can t be used to create artificial human sperm yet an ethical guidelines would likely ban its use. but scientists hope this research will provide new insights into infertility and new approaches to treatment . a team of researchers led by hardy shafi at have it is currently developing an app that will allow men to test their fertility levels at home. the digital device can assess semen quality by measuring total spam count and matelot or the number of non-viable on. images sperm cells.