Distribution of Spontaneous Deliveries Over the Lunar Cycle (image) University of Tokyo Share Print E-Mail Caption There was a significant peak in spontaneous deliveries between the waxing gibbous and full moon phases. Credit Copyright: CC-BY (4.0) Yonezawa et al. Usage Restrictions Please use image in relation to this press release. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.