Additional file 1: Table S1. of A home calendar and recall method of last menstrual period for estimating gestational age in rural Bangladesh: a validation study Alison Gernand Rina Paul Barkat Ullah Muhammad Taher Frank Witter Lee Wu Alain Labrique Keith West Parul Christian 10.6084/m9.figshare.c.3609209_D1.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_Table_S1_of_A_home_calendar_and_recall_method_of_last_menstrual_period_for_estimating_gestational_age_in_rural_Bangladesh_a_validation_study/4357004 Validity of LMP compared to CRL (using the Intergrowth 21st equation [19]) for gestational age estimation, overall and by parity, rural Bangladesh, 2008–2009. (DOCX 16 kb) 2016-10-21 05:00:00 Last menstrual period Ultrasound Validation Bangladesh Gestational age Crown-rump length