関連ワード:  what is it called when your period is really bad    what is it called when your period cramps are really bad    what is it called when your period stops    what is it called when your period is really painful    what is it called when your period cramps are unbearable    what is it called when your period makes you depressed    what is it called when your period doesn't stop    what is it called when your period is irregular    what is it called when your period comes all at once    what is it called when your period is late