Megan Fox Feared Son Noah Was a Vampire Baby, Actress Dishes about 'Twilight-esque' Pregnancy on 'Tonight Show with Jay Leno' [VIDEO]

On a recent episode of "The Tonight Show with Jay Leno," gorgeous Hollywood starlet Megan Fox described some of the trials of pregnancy - like how she feared she was giving birth to a vampire baby! The "Transformers" actress - who gave birth to her first child, son Noah Shannon Green, with hubby Brian Austin Green back in September - compared her pregnancy pains to those experienced by Bella (Kristen Stewart) in the "Twilight Saga: Breaking Dawn Part 1." That's pretty intense!

On Monday evening (Dec. 17) the glowing new mommy appeared on the hit NBC nighttime talk show, explaining her pregnancy to Leno in these terms:

"I was about two months pregnant. I was really sick. I was very nauseous. I had really bad morning sickness... It was so bad for me. . . I was convinced that I was, like, maybe birthing a vampire baby like the one in 'Twilight' - you know what happens to Bella, where she's in cold sweats all the time - and I felt like that was happening because I had no vitamins and nutrients and I was just nauseous... Something not human was happening!"

26-year-old Fox admits that other than the whole "vampire baby" thing, her pregnancy was basically near-perfect - "The first trimester was really rough and then I got to about 12 weeks and then it was fine. It was really a perfect pregnancy after that."

Fox, out promoting her new film "This is 40" which hits theaters Dec. 21, also dished about what it was like actually giving birth at L.A.'s Cedars-Sinai Medical Center on September 27, 2012:

"I thought I was going to be tough and the nurses would be like, 'She's a warrior princess! She doesn't need an epidural! She's amazing! We're such big fans!' As soon as I got out of the car I was already crying for an epidural. I was asking the security guard for an epidural!"

Fox is already the stepmother to Green's 10-year-old son Kassius  from the actor's previous relationship with actress Vanessa Marcil.