Social inequality in pre-pregnancy BMI and gestational weight gain in the first and second pregnancy among women in Sweden
Natalie Holowko, M Pia Chaparro, Karina Nilsson, Anneli Ivarsson, Gita Mishra, Ilona Koupil, Anna Goodman
J Epidemiol Community Health Dec 2015, 69 (12) 1154-1161; DOI: 10.1136/jech-2015-205598