Defining infertility: what infertility means for clinicians and clients.

KEY POINTS

* Infertility often involves both members of a couple.

* STIs are the primary preventable causes of infertility.

* Postpartum and postabortion infections are also associated with infertility.

* Contraceptive use does not cause infertility.

Infertility is complex. It has multiple causes and consequences depending on the gender, sexual history, lifestyle, society, and cultural background of the people it affects.

Partly due to its complexity and to difficulty preventing, diagnosing, and treating it, infertility is a global public health concern. More than 80 million people