CHANNING TATUM’s pregnant wife is begging the “G.I. Joe” star to dump some of his work commitments so he can assume diaper duty!

The handsome actor and his wife, Jenna Dewan, recently revealed that their first child – due in late spring – will be born in London, where Channing will be shoot­ing a film. And the 32-year-old heartthrob further admitted that “there will be no downtime whatsoever after that.”

That has beautiful actress Jenna VERY worried, a friend told The ENQUIRER. “Jenna’s at her wits’ end over Channing’s breakneck schedule,” the friend said. “She’s so proud of him and what he’s achieving as an actor and producer, but there’s just no time for setting up house as a new family and establishing a sense of normalcy for their baby.

SHE’S BEGGING Channing to take a break, not only for their baby’s sake, but for their marriage.”

Despite her plea, Tatum is said to be determined to keep his hot streak going after starring in three No. 1 box-office hits, “Magic Mike,” “The Vow” and “21 Jump Street.”

Tatum just finished shooting the drama “Foxcatcher” and has four more films in the works that will keep him hopping – and on location – well into 2014.

“It’s a great schedule for an actor, but a lousy one for a new dad,” noted the friend.

Meanwhile, Jenna’s career is also on the upswing. After gaining notoriety playing a newlywed in FX’s “American Horror Story,” she’s won a starring role in the upcoming Lifetime series, “Witches of East End.”

“Channing and Jenna could become victims of their own success,” warned the friend. “You fear it will end up tearing them apart.”