Postpartum depression is a condition most people are familiar with. But much less attention is paid to antepartum depression, or pregnancy experienced during depression.

Antepartum depression can be much more difficult to treat, considering the potential risks involved with taking medication while the baby is developing.

Andrew Solomon, a New York Times Magazine contributing writer and author of "The Noonday Demon: An Atlas of Depression," which has just been published in an updated edition.

Solomon joined Take Two to talk about the research he’s done into depression and the unique challenges the disease presents for pregnant women.

Solomon's New York Times Magazine article "The Secret Sadness of Pregnancy with Depression" is available here.