New mommy Vanessa Lachey shared with fans on her website that she suffered from what she labeled as the "baby blues" soon after her son Camden with hubby Nick Lachey was born.

But today, while guest cohosting E! News, Lachey wanted to make sure to set the record straight about it's difference from postpartum depression.

"I opened up last week about baby blues and actually felt the need today to kind of clarify, just for people out there, it's different than postpartum depression and I don't wanna take anything away from women who actually go through that because it is very, very serious," she explained.

"There's a difference in the sense that baby blues happen to probably 70 to 80 percent of women a couple weeks after the baby was born. It's just, you get sad, you get irritable, you feel confused, you feel lost…and then postpartum depression happens to 10 to 20 percent of women and some celebrity moms have spoken up about it—Brooke Shields, Gwyneth Paltrow—but that's more severe and it can last up to six months or even further on than that, and you have serious thoughts that go through your head."

Lachey, who addressed this distinction with a follow-up post on her website today, also added that she just wanted other new moms who experience similar feelings to understand what was going on.

"I think what I mostly wanted to do was let moms know, ‘Hey, don't feel like your world is crumbling down around you and don't actually let the baby blues take over and become postpartum depression. You're fine. Most women have it.'"

Tune in to E! News for the full interview tonight at 7 p.m. and 11:30 p.m.!

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