Armita Geravand was in a coma for weeks following what could have been an attack, according to activists.
Protesters in Iran have been sentenced to death and lengthy prison sentences for demonstrating against the government and in support of women.
The Iranian Revolutionary Court declared Mohsen Shekari, 23, guilty of "waging war against God."
Footage showed authorities battering passengers and shooting on a train platform as protests against the country's religious laws intensified.
Iran’s hard-line President Ebrahim Raisi, speaking to people gathered in front of the former U.S. Embassy building, criticized those protesting the theocracy.
Hundreds are being held at Evin, where human rights groups have reported repeated abuses of prisoners.
Nearly three weeks in, the demonstrations against Iran's religious regime have found their new, courageous leaders: schoolgirls and young women.
The decision serves as pressure ahead of the inauguration of President-elect Joe Biden, who has said he is willing to re-enter the Iran nuclear deal.
Any work at the Fordo facility likely will trigger new concern in the waning days of the Trump administration.
Iran's defense minister vowed to continue Mohsen Fakhrizadeh’s work “with more speed and more power.”