AUTHOR=Khandoker Ahsan H. , Marzbanrad Faezeh , Kimura Yoshitaka TITLE=Editorial: Recent Advances in Doppler Signal Processing and Modeling Techniques for Fetal Monitoring JOURNAL=Frontiers in Physiology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2018.00691 DOI=10.3389/fphys.2018.00691 ISSN=1664-042X