1. Hormonal contraceptive use before and after conception in relation to preterm birth and small for gestational age: an observational cohort study. (16th October 2014) Authors: Jensen, ET; Daniels, JL; Stürmer, T; Robinson, WR; Williams, CJ; Vejrup, K; Magnus, P; Longnecker, MP Journal: BJOG Issue: Volume 122:Number 10(2015:Oct.) Page Start: 1349 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗