Trivia: In reality the girls' father, Amos Bronson Alcott, was never in the war nor wounded. However, Jo (Louisa May Alcott, the author of Little Women) was a nurse in Washington D.C. in 1862 and when she fell ill it was her father who had to go to Washington to get her.
Trivia: Although Louisa May Alcott published stories in the Atlantic Monthly when it was partly owned and edited by James T. Fields, he did not publish Little Women as is indicated in the movie. Little Women was published by Roberts Brothers of Boston.
When Jo returns home from New York after she learns Beth is sick, she enters the room and Marmee stands up to hug her. When they hug, Marmee's arms are between them. In the next shot, they're around Jo then they switch back to being between them.