What is allergic march or atopic march

The term allergic march or atopic march refers to progression or development of various allergic conditions with age. the tendency to have an allergic condition known as atopy makes one prone to develop other allergic conditions.
It is also noted that after certain age the allergy dissolves and becomes normal and recur after few years, which is commonly seen in most of the atopic children
Doctors and scientists are continually doing research for better understanding of allergy march.