Risk factors for constipation during pregnancy: a multicentre prospective cohort study. - Sabonyte-Balsaitiene, Zivile; Poskus, Tomas; Jasiunas, Eugenijus; Ramasauskaite, Diana; Buzinskiene, Diana; Drasutiene, Grazina; Okuleviciute, Agne; Zakareviciene, Jolita (BMC Pregnancy & Childbirth, 2024)