(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)

Benjamin W. Nelson, University of Oregon; Heidemarie Laurent, University of Illinois at Urbana-Champaign, and Nick Allen, University of Oregon

(THE CONVERSATION) An estimated 1 in 9 women experience symptoms of postpartum depression. These symptoms – including mood swings, fatigue and reduced interest in activities – can make it difficult for mothers to bond with their newborns.

Early relationships between mothers and their infants can influence health across the lifespan, for bett...