Infertility can be defined in two ways: the inability to conceive after a year of regular sexual intercourse without contraception, or the repeated occurrence of ectopic pregnancies, miscarriages, or perinatal loss. Male and female specific factors account for approximately 30% of infertility causes (individually); the combination of male and female causation accounts for an additional 20%; and the remaining 20% is due to unknown causes. When dealing with infertility, it is equally important to ensure that you have the correct diagnosis of the root cause of your condition as it is to strictly follow the rules of the treatment. This article provides a broad overview of the various possible causes of infertility. Why is it critical to identify the causes? Infertility can be caused by a combination of factors at the same time, or it can be caused by a single factor deviating from its intended path. Because misdiagnosis frequently leads to further fertility complications, the very first st...