Cost-effective Treatment of Unexplained Infertility

Inclusion Criteria: * Saudi women. * Married women in a stable, continuous, unprotected heterosexual relationship (cohabitating with their husbands). * Aged between 18 to 35 years old. * Non-smoking. * Non-alcohol drinking. * With a body mass index \< 30 Kg/M2, * Who are looking healthy (all their infertility-workup investigations including male partners' seminal analysis were within normal range) * Failed to conceive spontaneously within 2 years of marriage without evident cause (cases with primary infertility). Exclusion Criteria: * All non-Saudi women, * Saudi unmarried women (not yet engaged in sexual activity), * Married women with age less than 18 or more than 35 years old, * Patients with secondary infertility, * Cigarette smokers. * Alcohol drinking. * BMI \> 30 Kg/M2, * Pregnant women. * Breastfeeding women. * With known pathological cause (either male or female factor), * With hypersensitivity to any of medication planned to be used in the study.