Read What Sheryl Sandberg Is Advocating For on Mother’s Day

May 14, 2017

On Mother's Day, Facebook COO Sheryl Sandberg used her company's platform to advocate for better policies for pay women in the workforce.

"This is an emotional day for so many reasons – because we thank the mothers we have and remember the mothers and the children we’ve lost," Sandberg wrote in a Facebook post. "I hope we can also use this day to commit to do more for all the mothers who have given so much and deserve even more."

Sandberg — who lost her husband, SurveyMonkey CEO Dave Goldberg, suddenly two years ago — took to Facebook on Mother's Day in 2016, too, writing about the financial and emotional burdens single mothers face. She expanded on that theme this year, emphasizing the need for paid leave, raising the minimum wage and affordable childcare.

"It's time for our public policies to catch up with what our families deserve and our values demand," she wrote. "Child care for two children exceeds the median annual rent in all 50 states. How are parents supposed to work if they don’t have a safe and affordable place to leave their kids?"

Being a mother is the most rewarding – and hardest – job many of us will ever have. The day you become a mom, you also...

Posted by Sheryl Sandberg on Saturday, May 13, 2017

Sandberg, who has often discussed how she has come to dread Father's Day now that her children don't have anyone to celebrate, also acknowledged those for whom this day might be "more painful than celebratory."

She concluded by turning personal, thanking her mother for providing her with the strength she needed to endure the last two years since the loss of her husband, and her mother-in-law for all her support.

All products and services featured are based solely on editorial selection. FORTUNE may receive compensation for some links to products and services on this website.

Quotes delayed at least 15 minutes. Market data provided by Interactive Data. ETF and Mutual Fund data provided by Morningstar, Inc. Dow Jones Terms & Conditions: http://www.djindexes.com/mdsidx/html/tandc/indexestandcs.html. S&P Index data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. Terms & Conditions. Powered and implemented by Interactive Data Managed Solutions