Families of triplets, quads convene

Three dirty diapers, five runny noses, six crying kids.

Families with multiple births face a unique set of challenges every day that many parents cannot imagine taking on.

Parenting triplets, quadruplets and higher multiples was the subject of a recent convention in suburban Philadelphia.

The event, called "Let Threedom Ring," was held in King of Prussia, Pa., by Triplet Connection, an information website for multiple birth families.

Pictures: Triplets: Growing up in a set

At the event, the triplets, quadruplets and higher-order multiples ranged from babies and younger children to teenagers and college-age young adults.

Workshops were held to help adults with parenting issues, while the kids took part in entertainment and social activities.