Colacce, Perazzo and Vigorito . Replication files "How Accurately Do Mothers Recall Prenatal Visits and Gestational Age? A Validation of Uruguayan Survey Data" a) There are three databases needed for estimations in this paper: 1. Survey on Nutrition, Child Development and Health (Encuesta de Nutrición, Desarrollo Infantil y Salud, ENDIS) 2013 merged with Vital Statistics (Certificado de Nacido Vivo, CNV) records Our main data source is ENDIS casewise linked with CNV microdata. The linking process was carried out by the National Statistics Institute (INE) using the unique personal identification number (cedula de identidad) of survey respondents and children Original ENDIS 2013 micro-data and the corresponding metadata can be downloaded from http://www.ine.gub.uy/endis (last access: 8 October, 2020) Complete Vital Statistics micro-data can be downloaded from http://estadisticas.msp.gub.uy/index.php/catalog/20 (last access: 8 October, 2020) 2. 2012 and 2013 Official household surveys (Encuesta continua de Hogares, ECH) ECH are continuous household suveys that collect a wide range of information on household demographic and socio-economic characteristics. These surveys are needed for birth order identification and can be directly merged to ENDIS. We include two separate files that can also be downloaded from http://ine.gub.uy/web/guest/encuesta-continua-de-hogares1 (last access: 8 October, 2020) b) The supplemental .zip archive for this publication contains the following files: 1. Stata program file to generate outcome and control variables and paper´s results (excluding measurement error) main.do 2. Stata program file to generate birth order birth order.do 3. Excel file to estimate measurement error (Figure 1) measurement error.xlsx 4. Stata datafile, ENDIS merged to CNV original_ENDIS merged CNV.dta 5. ECH 2012, for birth order identification p_2012_terceros.dta 6. ECH 2013, for birth order identification p_2013_terceros.dta Note: Stata files were created using Version 14.0 and may not be compatible with earlier versions.