The association between maternal characteristics and different types and levels of discordance in triplet pregnancies.

Objective: This study evaluated the association of maternal factors known to influence outcomes of triplets, different discordance levels (-25, 25.1-35, and )35%), and three types (according to the birth weight of the middle-sized triplet) of birth weight discordance in triplets.

Methods: We used data collected by the Women's Health Division of Matria Healthcare, Inc.