Infertility refers to an inability to conceive after having regular unprotected sex. Infertility can also refer to the biological inability of an individual to contribute to conception, or to a female who cannot carry a pregnancy to full term. In many countries infertility refers to a couple that has failed to conceive after 12 months of regular sexual intercourse

Inclusion Criteria:

• unexplained infertility, Primary or secondary.
• Absence of galactorrhoea.
• Normal serum prolactin.
• Normal hysterosalpingography.
• Normal spermogram.

Exclusion Criteria:

• Women on other line of treatment as aromatase inhibitors,gonadotrophins, or tamoxifen.
• Known hypersensitivity for cabergoline or clomiphene citrate.
• Other factors of infertility as tubal factor, uterine factor or male factor.