United Kingdom, Nov. 3 -- Reese Witherspoon "cried all the time" when her first child was born.

The 49-year-old actress - who has Ava, 26, and Deacon, 21, with first husband Ryan Phillippe and 13-year-old Tennessee with ex-spouse Jim Toth - has opened up on her "really bad" experienced of postpartum depression and admitted it was "hard" to become a parent when she was just 23 years old.

She told the upcoming issue of Britain's Harper's Bazaar magazine: "It was really bad.

"In the first six months, I was simultaneously happy and depressed. I just cried all the time, I was up all night, I was exhausted. It was a hormone drop I didn't expect, which I experienced right after birth and again when I stopped nursing six months later.

"Everyo...