The 30-year-old former "The Bachelorette" star is pregnant with her second child by husband Tyler Johnson and expects the baby to be born at the end of the summer.
Maynard and Johnson are already parents to 7-month-old son Jennings, whom they welcomed in July.
The Bachelorette is also mom to 10-year-old daughter Ricki with her late fiance, Ricky Hendrick.
"Well... I'm pregnant. Again. And before you even say anything, yes, I realize I just had Jennings like, 2 seconds ago," the star wrote on her website. "I guess I should've read that part in the baby handbook that says you're super fertile after giving birth, huh?"
"With all that said, I truly couldn't be more excited and I said about two weeks after Jennings was born that I couldn't wait to have another," she said.
"Some of my closest friends have had a really hard time getting pregnant and my heart breaks for them, so I'm just so grateful for this blessing."
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