Follow-Up Visit at 4 Months
Depression, ±2
A follow-up visit was conducted at 4 months (±2 weeks) of corrected infant age in the clinic or at participant homes (in Sweden, 20 visits [57%] were conducted at participant homes due to hospital restriction policies during the COVID-19 pandemic). The visit was made in the morning at a time when the infant preferably had slept and was newly fed. Baseline data regarding maternal mental health (Edinburgh Postnatal Depression Scale