It's... Francy's Friday(1972)

"Francy Dreamed the Sex Fantasies of all Women"

Overview

A woman becomes involved sexually with her husband's poker partners. During their antics, which are watched by the woman's daughter, the woman has an accident and is crippled for life. The husband dies an alcoholic, the mother commits suicide after learning that her daughter is sleeping with her lover, and the daughter continues having sex with anyone.