Briggs, a graduate student, suffered the knee injury during the Terps' loss to Rutgers on Wednesday.
The Terps added only one player in the transfer portal, and their quiet offseason leaves them with limited depth ahead of a crucial week of games.
The redshirt junior and Towson transfer could factor into the Terps' rotation after missing all of her first year in College Park.
How do the Terps' 14 players prefer to spend their time on the road?
The Terps have followed up wins over ranked teams with losses to unranked opponents multiple times already this season.
The Terps committed a season-high 21 giveaways, but held a healthy advantage over the Wildcats throughout the second half.
The Terps closed out their regular season on a high note, ousting the Hoosiers at the Xfinity Center to move to 21-7.
Four Terps clocked double digits, led by Angel Reese with 19 points.
Coach Brenda Frese is working to ensure the team's recruiting pipeline continues to pay dividends in 2021 and 2022.