The Expanded Biopsychosocial Model Elucidates the Association Between Pre‐Pregnancy Overweight/Obesity and Delayed Lactogenesis II: A Prospective Cohort Study
ABSTRACT Pre-pregnancy overweight or obesity delays the onset of lactogenesis II, posing an early barrier to achieving optimal infant nutrition and long-term health. However, the underlying pathophysiological mechanisms remain incompletely elucidated. This prospective cohort study conducted in China aimed to delineate the distinct pathways through which pre-pregnancy overweight/obesity, compared to normal body mass index (BMI),




