1. The influence of age at menarche, menstrual cycle length and bleeding duration on time to pregnancy: a large prospective cohort study among rural Chinese women. (27th January 2017) Authors: Zhang, Q; Wang, YY; Zhang, Y; Zhang, HG; Yang, Y; He, Y; Xu, JH; Zhao, J; Peng, ZQ; Ma, X Journal: BJOG Issue: Volume 124:Number 11(2017) Page Start: 1654 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗