title: Embryos need a cozy house.
authors.affiliation: Department of Gynecologic Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy. fabio.martinelli@istitutotumori.mi.it.
authors.forename: Fabio
authors.identifier: http://orcid.org/0000-0002-4863-1747
authors.initials: F
authors.lastname: Martinelli
authors.affiliation: Infertility Unit, Fondazione Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy.
authors.forename: Francesca
authors.initials: F
authors.lastname: Filippi
authors.affiliation: Department of Gynecologic Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.
authors.forename: Francesco
authors.initials: F
authors.lastname: Raspagliesi
authors.affiliation: Infertility Unit, Fondazione Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy.
authors.forename: Edgardo
authors.identifier: http://orcid.org/0000-0002-0223-0032
authors.initials: E
authors.lastname: Somigliana