The Bethlehem office of the Palestinian Prisoners Society reported that Israeli authorities released Ahlam Salah, 28, from Al-Khader near Bethlehem.
Ahlam was in administrative detention for six months without charges or trial.
The society stated that Ahlam is the widow of Mahmoud Salah, one of Al-Aqsa brigadesÃ¢â‚¬â„¢ fighters, who was assassinated two years ago.
Salah said that the female detainees are facing harsh conditions in detention, while the soldiers repeatedly break into their rooms and conduct military searches.
Also, Salah added that there are several detainees in need of medical treatment and medication while prison administration only provide them with pain killing pills; several detainees are suffering from physiological problems.
The Palestinian Prisoners Society said that there are currently 126 female detainees, 61 were arrested in 2004, 13 of the detainees are married, 77 are under 25, 8 are under the age of 18.
Female detainees are placed in Al-Ramlah detention, Telmond, and four in Al-Jalamah.