In Japan, the government issues "Notebook for mother and baby" for each baby to be born. The pregnant woman (妊婦：NIMPU in Japanese) are managed by this notebook.
There are many information about the notebook foreigners but they are all in japanese like this
. Try machine translation on these pages.
電話相談 - AMDA国際医療情報センター
Ask your local government (in Japan) for detail.