Women would benefit the most from artificial womb, given how strenuous bearing actually is, and all the health risks associated with it.

Lois Bujold explored this subject - and, specifically, the socioeconomic and cultural implications - thoroughly in her Vorkosigan series, although it is referred to as "uterine replicator" there. And she is a married woman with children, so it's not exactly an abstract subject matter for her.