Originally, the highestclass was granted to mothers who bore, nurtured, and educatednine children. The only additionalcondition was that the youngestchild had to be at least one year old for the mother to be able to receive the medal. However, during the 1970s, the criteria were revised, and seven children became the new requirement to receive the order. The second class was given too mothers with 8 children. In the 1970s, this requirement was reduced to six children. The third class was originally given to mothers who had 7 children, but during the 1970s the requirement was lowered from five to four children.