If she fasted these 3 days with the intention of making up for Ramadan, this is permissible. But if she didn’t intend the making up for Ramadan, this doesn’t count for Ramadan.
If she fasted these 3 days with the intention of making up for Ramadan, this is permissible. But if she didn’t intend the making up for Ramadan, this doesn’t count for Ramadan.