old sci fi movie about alien abduction

If anyone out there is over 40 years old and remembers the title of a movie about alien abduction of women please post the name. The basic premise of the film was about a neighborhood of women who all come up mysteriously pregnant at the same time. When they have their babies a space ship shows up and all the women leave their homes to meet the space ship and take off together with their babies, but without their husbands.