1. The influence of physical activity during pregnancy on maternal, fetal or infant heart rate variability: a systematic review. Issue 1 (December 2016) Authors: Dietz, Pavel; Watson, Estelle; Sattler, Matteo; Ruf, Wolfgang; Titze, Sylvia; van Poppel, Mireille Journal: BMC pregnancy and childbirth Issue: Volume 16:Issue 1(2016) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗