1 blood loss (caused by ulcers, some cancers, and other conditions; and, in women, during monthly periods); 2  a diet that doesn't have enough iron in it; 3  taking medications that interfere with the ability of the body to absorb iron; 4  an increase in the body's need for iron (for instance, in women during pregnancy). blood loss (caused by ulcers, some cancers, and other conditions; and, in women, during monthly periods); 2  a diet that doesn't have enough iron in it; 3  taking medications that interfere with the ability of the body to absorb iron; 4  an increase in the body's need for iron (for instance, in women during pregnancy).
I can tell you that your Celtic knot is a quaternary design - meaning it has four distinct sections within the design. Quaternary celtic knot meanings are upon the era, region, and artist of the design's inception (yes, more variables). Here are a few meaning possibilites of your Quaternary knot design... Indication of the four directions: North, South, East, West.
Celtic knot. 1  The Celtic knot is a symbol mainly known form Celtic culture, but has been used in different variaties in other cultures like Roman, Copts etc., especially midieval cultures all around the world. The origin of the Celtic knots dates back to the Celtische cultere in the 3rd and 4th century.