Get Pregnant and announce it. The board cant risk looking inhuman to fire you for 10 months at least. http://www.theguardian.com/technology/2015/sep/02/yahoo-ceo-marissa-mayer-pregnant-with-twin-girls
How many people who became parents lost jobs at Yahoo in 9 months of employment since Marissa took over and this stupid stacked ranking came into play? If you had a kid, you are off for a good chunk of a quarter so your ratings are screwed and then falls the axe. Nice going Marissa.