Charley Webb has been diagnosed with a pregnancy-related pelvic condition.
Charley Webb and Matthew Wolfenden
The 'Emmerdale' actress has been left in "agony" after being struck with SPD (symphysis pubis dysfunction), which has seen her muscles relax too much ahead of her birth, and she is also still suffering from morning sickness at times.
She said: "I still get waves of sickness but I've also been diagnosed with SPD [symphysis pubis dysfunction].
"It's when your muscles have relaxed too much ready for the birth.
"It's agony."
Charley is expecting her third child with husband and co-star Matthew Wolfenden, and is keen to give birth in a hospital rather than at home "for the sake of [her] own anxiety".
The Debbie Dingle actress - who has kids Buster, nine, and three-year-old Bowie with the David Metcalfe star - said: "Matthew's up for a home birth but I'd like to be in a hospital for the sake of my own anxiety, in case anything went wrong."
Charley admits she finds pregnancy "amazing", but isn't a massive fan of her body "getting bigger".
She added to OK! magazine: "I'd be lying if I said I really enjoy the experience of getting bigger.
"But I appreciate what my body is doing. I think pregnancy is amazing."
Matthew recently admitted he is looking forward to the "chaos" of having another child.
He said: "We've always wanted a big family. It feels different this time as it feels like we're going from a family to a gang.
"We're looking forward to the chaos another child will bring."
The happy couple are yet to find out the sex of their impending arrival, and Charley doesn't mind whether she has a boy or a girl.
She said: "Buster was so desperate for Bowie to be a boy and he was, so it would be nice to have that same thing for Bowie.
"It doesn't matter to me at all. I'm used to boys and I always thought I'd have three boys and a girl, in that order. That's my instinct but who knows."
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