She was hit in the eastern Savoie region by a driver who apparently accelerated in a panic while caught in the demonstration, according to a regional official.
Demonstrators wearing yellow vests (Gilets Jaunes) protest against the rising of the fuel and oil prices on November 17, 2018 in front Carrefour Market in Givors, East-central France - French drivers seething over high fuel prices have vowed to snarl traffic across the country on November 17 in a widely supported protest that could prove the trickiest so far for French President.
According to French media reports, the protesters reportedly knocked on her vehicle as she tried to take her daughter to hospital.
The ministry said security forces used tear gas in several places to unblock major routes, notably at the access road to the Mont Blanc tunnel where about 30 canisters were fired.
The government sent in police to monitor tens of thousands of gathering points, some non-declared in advance and therefore illegal.
Authorities didn't give a breakdown about how the 47 others were injured during the protests.
A motorist on Saturday accidentally hit and killed a protester taking part in a campaign of road blockades across France that has been triggered by fuel tax hikes, Interior Minister Christophe Castaner said. Many drivers see them as emblematic of a presidency seen as disconnected from day-to-day economic difficulties.
The backlash is the latest confrontation between Mr Macron and voters, mostly based in the countryside and provincial towns and cities, who view the former investment banker as the representative of a remote urban elite.
Named for the high-visibility jackets worn by the protesters, the "yellow vests" say they are being squeezed by years of fuel tax increases that have driven prices to levels not seen since the early 2000s.
"We've had enough of it".