Though the United Nations didn’t designate March 8 International Women’s Day until 1975, its origins trace back to 1909, according to information compiled by the United Nations.

Organizers of last month’s Women’s March on Chicago are hoping to channel the momentum of that event into action through information, education and advocacy.

Among America’s female artists, Georgia O’Keeffe gets much of the attention. But there are many other worthy – but lesser-known – female artists.

Signs displaying personal messages on issues such as women’s rights, democracy, health care and LGBTQ rights were carried by many in the crowd of thousands Saturday at the Women’s March on Chicago. Take a look at what we spotted.

Chants of “this is what democracy looks like” echoed Saturday through the streets of downtown Chicago as an estimated 250,000 individuals flooded the area to take part in the Women’s March on Chicago.

The rare psychiatric disorder increases the risk that a mother will harm herself or her newborn, according to a recent study. A local psychiatrist explains the seriousness of the illness and how it differs from the more commonly studied postpartum depression.

Practicing mindfulness exercises like yoga and meditation can alleviate symptoms of depression and stress among disadvantaged women, according to a recent study.

A new video featuring two local journalists unveils the hostility some female sports reporters face online. One of the journalists, Julie DiCaro, joins us to talk about the attacks she faces and how she fights back.

The Zika virus has been shown to cause microcephaly and other fetal brain abnormalities. We talk with a local woman, pregnant with her first child, who has been dealing with the terrifying possibility that she and her unborn child may have been exposed to the virus.

On Monday, the World Health Organization declared the Zika virus an international public health emergency. Dr. Allison Arwady, chief medical officer of the Chicago Department of Public Health, joins us to discuss the virus and the risk it poses to Chicago jet-setters.

They are some of the most divisive issues of our time: abortion, affirmative action, contraception, unions and immigration. And they are all under consideration by the U.S. Supreme Court this term. Three former clerks join us to outline the cases.

The American Cancer Society has issued new guidelines for women at "average risk" of developing breast cancer, raising the age it says they should start regular mammogram screening from 40 to 45. We discuss the changes and how women should go about determining their own levels of risk with Dr. Carolyn Bruzdzinski and Dr. Kent Hoskins.

Chicago journalist Jonathan Eig talks about his new book, “The Birth of the Pill,” and the history of the development of the birth control pill.

Meet the filmmaker behind The Empowerment Project: Ordinary Women Doing Extraordinary Things, a documentary about inspiring women. We also see the group of women involved with the film, their journey to make the movie. Watch The Empowerment Project trailer.

The human body is the focus of Bodies of Work  -- an arts festival that surprises as it challenges notions of disability.