By Lauren Chiren On International Women’s Day, Lauren Chiren shares how menopause forced her to leave her job – and launched her on an unexpected new career trajectory I was 37 and working as a senior executive in financial services when I started to suffer such severe symptoms I was convinced I had early onset dementia. One evening, I got home, dropped my briefcase in the kitchen, said ‘hi’ to my son, then turned around and left – I’d completely forgotten that I’d already been to work that day. For about 18 months I didn’t sleep for more than two hours a night. On so little sleep, you would e…