Mental health status of pregnant and breastfeeding women during the COVID‐19 pandemic—A multinational cross‐sectional study - Valentine Lambelet; Alice Panchaud; Brian Cleary; Titia Hompes; Ursula Winterfeld; Veerle Foulon; Fergal O'Shaughnessy; Léo Pomar; Hedvig Nordeng; Jonathan Luke Richardson; Michael Ceulemans; Elin Ngo; et al. (Acta Obstetricia et Gynecologica Scandinavica, 2021)