関連ワード:  white stringy stuff in stool    white stringy stuff in stool during pregnancy    white stringy mucus in stool    white stringy mucus in stool photos    white stringy things in stool    white slimy stuff in stool    white stringy discharge in stool    white stringy mucus in stool while pregnant    white stringy mucus in stool reddit    white stringy mucus in stool baby