Impact of visiting restrictions on Edinburgh postnatal depression scale screening scores at one month postpartum during the spread of COVID-19: a single-center case-control study in Japan.

Background: This study aimed to evaluate whether "visiting restrictions" implemented due to the coronavirus disease 2019 (COVID-19) pandemic are a risk factor for postpartum depression using the Edinburgh Postnatal Depression Scale (EPDS).

Methods: This case-control study participants who gave birth during the spread of COVID-19 (COVID-19 study group) and before the spread of COVID-19 (control group). Participants completed the EPDS at 2 weeks and 1 month after childbirth.