The most important goal of fertility investigation is to identify the
cause(s) of infertility and to prescribe adequate therapy, The couple
should be treated as a single unit as each partner contributes a share
to the infertility potential of the couple, Evaluation should begin w
ith the taking of a detailed history and a complete physical examinati
on of both partners, which may point the investigation in a particular
direction, However, other pertinent fertility factors should not be o
verlooked, A standardized and comprehensive approach to the investigat
ion of infertility is proposed and is presented as a series of flow ch
arts.