AUTHOR=Mine Tomosa , Tsuboi Satoshi , Fukushima Fujiko TITLE=Twenty-Year Trends of Low Birth Weight in Japan: A Joinpoint Regression Analysis of Data From 2000 to 2019 JOURNAL=Frontiers in Reproductive Health VOLUME=3 YEAR=2021 URL=https://www.frontiersin.org/journals/reproductive-health/articles/10.3389/frph.2021.772575 DOI=10.3389/frph.2021.772575 ISSN=2673-3153