They brought in a litter of kittens and noticed one was extra small. As it turned out, the tiny cat needed special help.

More than three months ago, four "unwanted" kittens were brought to The Stray Cat Club, an all-volunteer rescue, for a chance at a better life.
Among them was a fragile little kitten who was noticeably smaller than her littermates. "When she first arrived, she weighed just 450 grams at ten weeks old. Most kittens her age weigh more than double that," The Stray Cat Club shared.
Named Egg, the little wonder kitten puzzled everyone with her miniature size and difficulty growing.

While Egg's siblings were soon ready for adoption, she was far from it. She remained tiny and faced a number of health challenges. She was lethargic and struggling to thrive, but with attentive care and encouragement, she slowly began to show signs of improvement.
As soon as she had strength in her legs, she began to play, pawing at toys and reaching out for affection.

Weeks passed, yet Egg's progress remained unusually slow. She wasn't developing like a typical kitten. Determined to understand why, the rescue arranged multiple vet visits and closely monitored her every day.
Still, there were no clear answers. "We're hoping it's something treatable, but we're preparing ourselves for the unknown."

Given Egg's small size and persistent symptoms, the team suspected she had congenital hypothyroidism, a rare condition in kittens. "It took a real fight to get the vet to believe the condition we thought she had."
Their vet had never seen a case like hers before, but after thorough bloodwork, their suspicions were confirmed.

"Once she started her medication, it was a game-changer," the rescue told Love Meow.
With proper treatment and an abundance of love, Egg began to blossom. Her body finally started to catch up: she gained weight, grew stronger, and started using the litter box like any other kitten. "We couldn't be prouder."

At around six months old, Egg has officially surpassed the three-pound milestone. Though she's still petite, it's a tremendous achievement worth celebrating. Brimming with curiosity, her personality is now shining through.
These days, she loves lounging beside her canine buddy, Moshi, who dotes on her with affection and slobbery kisses.

"Her character is the calmest we've ever seen in a kitten. She's just so relaxed and peaceful. Her favorite pastime is being around other animals. She loves her fosterer's dogs and loves meeting new foster kittens."
Over the past few months, Egg has befriended many rescued kittens, offering them the same love and companionship she's received.

She follows a special routine to help her grow stronger. After breakfast and medication, she does a bit of "kitten yoga"—gentle stretches to ease her digestion and strengthen her joints, which were affected by her condition.
Following her second meal and supplements, she plays with her feline friends, joining their joyful adventures. When she tires out, she nestles against one of the resident dogs for a cozy nap.

Now that she's better at grooming, Egg needs less help from her fosterer to stay clean. After dinner and her final dose of medication, she's ready to snuggle with a furry friend or her human for a well-earned sleep.
"Egg is living proof of what love, time, and dedication can do."

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Related story: Cat Thought to Be a 7-week-old Kitten When Found Along the Road But Turns Out She's Much Older

