A silent career setback women face in their thirties is their unintentional drop off in networking. The thirties, by comparison, is a time to start building out your network. The thirties for women also coincides with a new focus on family. Forgoing networking opportunities, according to Krawcheck, is one of the big mistakes women make in their thirties. Networking in your thirties has an exponential effect and if women are removing themselves from the game too early they don't realize those rewards.

Source: Forbes January 20, 2019 23:03 UTC