 ሆኖም የወንዶች የዘር ፍሬአቸውን ሊጎዳ የሚችል የወንዶች የወሊድ ችግር ሊኖር አለመቻላቸውን ገምግመዋል ።
They noted, however, that they did not assess any potential fertility problems of the men which could have affected their sperm morphology.