title: Does gender of offspring modify the time-related effects of a pregnancy on breast cancer risk?
authors.forename: G
authors.initials: G
authors.lastname: Albrektsen
authors.forename: I
authors.initials: I
authors.lastname: Heuch
authors.forename: G
authors.initials: G
authors.lastname: Kvåle
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012306:Risk; D012737:Sex Factors; D013997:Time Factors