Women can face unique challenges when planning for retirement. Let’s take a look at three of them. First, women frequently step out of the workforce in their 20s, 30s, or 40s to care for children — a time when their job might just be kicking into high (or higher) gear. It’s a noble cause, of course. But consider this: A long break from the workforce can result in several financial losses beyond the immediate loss of a salary.