BC fell to Harvard 7-1 on Tuesday after the Crimson outplayed the Eagles in the first and third periods.
The Eagles spent nearly the whole game trying to catch up, but the Eagles could never close the gap, and they fell 73-85 to Duke.
Alexie Guay and Delaney Belinskas scored in a three-minute span of the third period, taking the lead for good against the Terriers in the first of four meetings this year.
The Wildcats’ Angus Crookshank scored midway through overtime to lift UNH over No. 15 BC, 1-0, on Friday night.
After winning their first six games, the Eagles played to a 3-3 tie with the Black Bears, a team that was picked to finish eighth in the Hockey East.
Freshman Hannah Bilka had two goals and the Eagles matched their 2015-16 National Championship runner-up team with a 6-0 start to the season.
Three-point nights from Julius Mattila and David Cotton was enough to lift BC past the Badgers, who the Eagles have had problems with in the last few seasons.
Olivia Vaughn tallied twice after the break and BC used a first-minute goal and a three-goal second half to power past Miami in a decisive 4-0 victory.
In a game that featured nine combined goals and three ties, BC saw its eight-game unbeaten streak come to an end at the hands of No. 6 Florida State in its first ACC game under Jason Lowe.