Pregnancy "has been joyous for Jessa," a source close to the former 19 Kids and Counting star tells PEOPLE

Credit: Courtesy Jessa Seewald

With the countdown to her Nov. 1 due date just a month away, Jessa (Duggar) Seewald is enjoying the final days of her first pregnancy.

“She cherishing every moment,” a source close to the former 19 Kids and Counting star tells PEOPLE. The experience “has been joyous for Jessa.”

While the 22-year-old still hasn’t revealed whether she and husband Ben are expecting twins, her recent post on Instagram makes it seem like there might only be one baby Seewald on the way.

“So weird and yet amazing to see my baby move like this!” she captioned a video of her belly on Tuesday. “Finally managed to capture one of those super active moments! Lol! I know, I’m a bit obsessed… but this Mama is absolutely fascinated! Here’s what the #BabyBump looks like from my perspective. #BabySeewald”

Despite a difficult last six months rocked by her brother Josh Duggar‘s molestation and sex scandals, Jessa’s main focus has been her baby-on-the-way.

“Jessa is truly feeling so happy, healthy and centered. This is really one of the best times of her life,” says the source. “Her love for Ben is really something to see. They adore each other, and it’s clear that they’re soul mates. He treats her like a true queen.”

As she gears up for next exciting chapter of her life as a mom, she’s also got a return to TV in the works. TLC will air a series of specials with Jessa and her sister Jill (Duggar) Dillard all about their lives after 19 Kids and Counting. The first of the specials is set to air by the end of the year.

For more on the Duggars, pick up this week’s issue of PEOPLE, on newsstands Friday