In 20% of the cases causes of infertility can be detected in both partners.

Therefore it is important to conduct investigations on both partners, even if a cause of infertility has already been detected in one of them. There may be cases where both partners have a problem or even that several disorders can be found in the same partner.

There may be factors responsible for infertility in both partners.

In some particular cases, is for treatments such as IVF when we detect problems.