Table 2 : Diagnosed causes of unexplained infertility recorded in cases
of failed IVF used for managing these cases.

Number and percentage Number and percentage

Causes of infertility  

Failed formation of fertilized ovum or an
embryo due to defective sperms and/or ova
14 (28%)
Failed implantation 18 (36%)
Failed growth and development of the
fertilized ovum or the implanted fertilized ovum
9 (18%)
Undetermined causes 9 (18%)
Total 50 (100%)

Thabet et al.Gynecology  2014 2:2DOI : 10.7243/2052-6210-2-2