Unexplained infertility can be one of the most emotionally challenging diagnoses for couples. When basic tests like semen analysis, ovulation tracking, fallopian tube evaluation, and hormonal assessments show no identifiable cause, it leaves couples searching for answers and options. In such cases, fertility specialists often recommend Intrauterine Insemination (IUI) as the first-line treatment. At SCI IVF Hospital, recognized as one of the best IVF centre in Delhi , thousands of couples with unexplained infertility have achieved pregnancy through well-planned, carefully monitored IUI cycles. What Is Unexplained Infertility? Unexplained infertility refers to the inability to conceive despite: Regular ovulation Healthy sperm parameters Open fallopian tubes No visible reproductive issues in either partner It affects nearly 15–30% of infertile couples . Although the cause isn’t clear, subtle factors like egg-sperm interaction issues, mild endometriosis...