Triplets: Growing up in a set

The 3-year-old McLain triplets, from left to right, Erin, Melissa, and Caitlyn, pose for a photo during the Triplets Connection Convention picnic at Valley Forge National Historical Park, on Saturday, July 30, 2011, in Valley Forge, Pa. Eye on Parenting
Families of triplets, quads gather in Philly area

From left, 4-month-old triplets Elizabeth, Alex and Sophia D'Antonio, of Freehold, N.J., are parked next to triplets Bela, Victoria and Edward Finkelstein, 11-months, of Mt. Laurel, N.J., at the Jefferson Memorial on July 8, 2005, in Washington, D.C.

Triplet Connection, which held the multiple-sibling event in Washington, featured events and workshops with titles like "Time Management: Learning to organize your day," and "Multiple Feets: (Ages newborn to 1) Life in an exhausted state. A checklist for surviving the first year." Eye on Parenting
Families of triplets, quads gather in Philly area

The5-year-old Bockey triplets, from left to right, Zane, Luke, and Andrew, from Lima, Ohio, dress like the "Three Little Pigs" during the Triplets Connection Convention parade and picnic at Valley Forge National Historical Park, on July 30, 2011, in Valley Forge, Pa. Eye on Parenting
Families of triplets, quads gather in Philly area

The 5-year-old Bockey triplets, from left to right, Zane, Luke, and Andrew, from Lima, Ohio, dress like the "Three Little Pigs" during the Triplets Connection Convention parade and picnic at Valley Forge National Historical Park , on Saturday July 30, 2011, in Valley Forge, Pa. Eye on Parenting
Families of triplets, quads gather in Philly area

The Kamosa triplets, from left to right, Adrianna, Elizabeth, and Laurel, from Tall Timbers, Md., pose for photos during the Triplets Connection Convention picnic at Valley Forge National Historical Park, on July 30, 2011, in Valley Forge, Pa. Eye on Parenting
Families of triplets, quads gather in Philly area

Sweetness Maxengana, mother of six-day-old triplets, from left, Cynthia, Sylvia and Samson, spends time with her babies at the Mowbray Maternity Hospital in Cape Town, South Africa on Oct. 11, 1999. Eye on Parenting
Families of triplets, quads gather in Philly area

Triplet sisters, from left, Shilee, Kenadee and Lexee are shown at their grandmother's home July 22, 2003 in Tooele, Utah.

Eye on Parenting
Families of triplets, quads gather in Philly area

One-year-and-four-months-old triplets, from left, Rosemarie, Rosalinda, and Rosario Valcorza, during the second annual Festival of Twins and Multiple Births parade in Manila, Philippines on Feb. 19, 2005. More than 200 sets of twins and 10 sets of triplets gathered at the festival, which was hosted by the local government. Eye on Parenting
Families of triplets, quads gather in Philly area

Triplets, from left, Cristy, Cassandra and Camille Gorospe, smile as they pose for photos during the 2nd annual Festival of Twins and multiple births parade on Feb. 19, 2005, in Manila, Phillippines. More than 200 sets of twins and 10 sets of triplets gathered at the festival hosted by the local government. Eye on Parenting
Families of triplets, quads gather in Philly area

Identical triplets (from left) Lauren, Dayna and Kelly Bishop (in orange), age 9, of Santa Barbara, Calif., and identical triplets (from left) Adrianna, Elizabeth and Laurel Kamosa, (in blue shirts), all 10, of Tall Timbers, Md., visit on the steps of the Jefferson Memorial on July 8, 2005, in Washington, D.C.

Eye on Parenting
Families of triplets, quads gather in Philly area

Identical triplets, from left, Erica, Molly and Sarah Newman, age 9, of Forked River, N.J., wait with other triplets and quadruplets for a group photograph on the steps of the Jefferson Memorial on July 8, 2005 in Washington, D.C.

Eye on Parenting
Families of triplets, quads gather in Philly area

One-year-old triplets Jack, Michael and Caroline Marotta are carried up the stairs of the Jefferson Memorial by their parents Katie and Joe Marotta on July 8, 2005, in Washington, D.C.

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Families of triplets, quads gather in Philly area

Panuben Makwana, mother of three sons, poses with her three baby female triplets named after the sacred rivers of Ganga, Jamuna and Saraswati at her home in Ahmedabad, India, on July 2, 2006. Eye on Parenting
Families of triplets, quads gather in Philly area

Elisa Graham, of Silver Spring, Md., tends to her triplets, from left, Valerie, Madeline and Dana, all age 2, at the Jefferson Memorial July 8, 2005, in Washington, D.C.

Eye on Parenting
Families of triplets, quads gather in Philly area

Triplets watch a performer and his monkey during the final day of Twins Days on Aug. 5, 2007, in Twinsburg, Ohio. Eye on Parenting
Families of triplets, quads gather in Philly area

Triplets, from left, Thompson, Ruby and Barrett Corpus, age 4, brave the rain with their matching frog umbrellas during the final day of Twins Days Aug. 5, 2007, in Twinsburg, Ohio. The annual event is recorded as the largest annual gathering of twins in the world. Eye on Parenting
Families of triplets, quads gather in Philly area

Chinese triplet boys play at a playground during the Beijing Twins Cultural Carnival at a park in Beijing on Oct. 2, 2007. Eye on Parenting
Families of triplets, quads gather in Philly area

A Chinese father and mother hold their triplet boys during the Beijing Twins Cultural Carnival at a park in Beijing on Oct 2, 2007. Eye on Parenting
Families of triplets, quads gather in Philly area

Five-year-old triplets (L-R) Hayato, Momoka and Koki Fukuto and their parents, Sumiko and Yasuhisa, smile with Mickey, Minnie Mouse and Disney characters as the Fukuyo family is invited to the Disney theme park Tokyo DisneySea at Urayasu city in Chiba prefecture, suburban Tokyo on July 18, 2008. Eye on Parenting
Families of triplets, quads gather in Philly area

Triplets pose during the traditional "Deux et plus" gathering of thousands of twins, triplets and quadruplets from all around the world on Aug. 15, 2009, in Pleucadeuc, western France. Eye on Parenting
Families of triplets, quads gather in Philly area

Families with triplets attending the Triplets Connection Convention gather for a group photo in front of the National Memorial Arch in Valley Forge National Historical Park, in Valley Forge, Pa., on July 30, 2011. Eye on Parenting
Families of triplets, quads gather in Philly area

The Pinheiro triplets, center, left to right, Isabel, Gabriella, and Sofia, from Albany N.Y., talk with the Jones triplets, left to right, Malik, Khalil, and Ahmad, from Washington, before taking the Triplets Connection Convention group photo at the National Memorial Arch in Valley Forge National Historical Park, on July 30, 2011, in Valley Forge, Pa. Eye on Parenting
Families of triplets, quads gather in Philly area