Chambers et al conducted a comprehensive economic and health services assessment of the frequency, duration, and cost of hospital admissions during the first 5 years of life for singleton, twin, and higher-order multiple children. They examine the contribution of assisted reproductive technology to the incidence and cost of multiple births. See the Editorial by Mehta.
Based on the UK Gemini population-based twin cohort, van Jaarsveld et al test the hypothesis that sibling differences in infant appetite predicted differential weight gain during childhood. Growth trajectories were analyzed from birth to age 15 months. Appetite during the first 3 months was assessed with the Baby Eating Behaviour Questionnaire.
This cohort study assesses the use and type of infertility treatment in relation to children’s development through age 36 months.