Prevalence of and factors associated with unplanned pregnancy among women in Koshu, Japan: cross-sectional evidence from Project Koshu, 2011 - 2016
Son Trung Huynh, Hiroshi Yokomichi, Yuka Akiyama, Reiji Kojima, Sayaka Horiuchi, Tadao Ooka, Ryoji Shinohara, Zentaro Yamagata
BMC Pregnancy and Childbirth
20
1
10.1186/s12884-020-03088-3