Research suggests diet can have an impact on a person's sexual health and fertility, and some digestive conditions can interfere with the normal absorption of nutrients, inhibiting the ability to conceive.

Experts have known for some time that women with celiac disease—an autoimmune condition that damages the digestive system and is triggered by a protein found in certain grains, such as wheat, barley and rye—are more likely to experience pregnancy complications and infertility.

However, there is less known about how this digestive disorder affects men's fertility, and some very preliminary research suggests there's a connection.

What we know about celiac disease and male fertility

At baseline, men with celiac disease may experience a higher risk for infertility, but more conclusive research is needed. A small observational study published in the 1980s conducted semen analysis in men with celiac disease. For the study, researchers measured plasma testosterone,