But she thought about all the time and money she had already invested in her career and didn't see how walking away made economic sense either.
So she made what she called "a leap of blind faith" and stayed in the workforce.
Years later, her income is many times greater than when she almost withdrew.
Wisely, Anna and other women have started to think of paying for child care as a way of investing in their families' future.
As the years go by, compensation often increases.
Flexibility typically increases, too, as senior leaders often have more control over their hours and schedules.
And what about men who want to leave the workforce?
If we make it too easy for women to drop out of the career marathon, we also make it too hard for men.
Just as women feel that they bear the primary responsibility of caring for their children,
many men feel that they bear the primary responsibility of supporting their families financially.
Their self-worth is tied mainly to their professional success, and they frequently believe that they have no choice but to finish that marathon.
Choosing to leave a child in someone else's care and return to work is a difficult decision.
Any parent who has done this, myself included, knows how heart wrenching it can be.
Only a compelling, challenging, and rewarding job will begin to make that choice a fair contest.
And even after a choice is made, parents have every right to reassess along the way.
Anyone lucky enough to have options should keep them open.
Don't enter the workforce already looking for the exit.
Don't put on the brakes. Accelerate.
Keep a foot on the gas pedal until a decision must be made.
That's the only way to ensure that when that day comes, there will be a real decision to make.