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Background

The increased birth rate of twins during recent decades and the improved prognosis of preterm infants have resulted in the need to explore measures that could optimize their growth and neurodevelopmental outcomes. It has been postulated that co‐bedding simulates twins' intrauterine experiences in which co‐regulatory behaviors between them are observed. These behaviors are proposed to benefit twins by reducing their stress, which may promote growth and development. However, in practice, uncertainty surrounds the benefit‐risk profile of co‐bedding.

Objectives

We aimed to assess the effectiveness of co‐bedding compared with separate (individual) care for stable preterm twins in the neonatal nursery in promoting growth and neurodevelopment and reducing short‐and long‐term morbidities, and to determine whether co‐bedding is associated with significant adverse effects.