Comparisons of game usage time and game usage-related factors in Japanese women before pregnancy and during early pregnancy
Hiroko Sato1, 2 and Toshiyuki Yasui3
1Graduate School of Health Sciences, Tokushima University, Tokushima, Japan.
2Department of Midwifery, Tokushima University Graduate School, Tokushima, Japan.
3Department of Reproductive and Menopausal Medicine, Tokushima University Graduate School, Tokushima, Japan.
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