Infertility does not always mean becoming sterile or inability to give birth to a baby. In Iran, about 20 percent of couples are infertile, but very few are sterile. Most infertile couples who are adopting children will eventually have a child with treatment and without treatment. The problem of infertility may be on the man, woman or both sides. In some cases, after all the tests, the main cause of infertility is not known. Infertility is considered a crisis for many couples, and infertility problems usually make them feel guilty. Pre-pregnancy tests can help couples to determine their fertility before they get pregnant. If you have a problem, then you will be notified earlier and you will receive appropriate treatment to improve your fertility and increase your chances of getting pregnant and having a healthy baby.