Pregnant Brittany Mahomes Reveals Fitness Routine to Avoid ‘Mom Butt’

Brittany Mahomes documented her commitment to avoiding “mom butt” during her pregnancy.

In footage uploaded to her Instagram on Monday, October 21, Mahomes, 29, showed off her intense fitness routine courtesy of fitness instructor Kirsty Rae. Brittany, who is expecting her third baby with husband Patrick Mahomes, wore a black bodysuit while using a cable crossover machine attached to her ankle.

“Many women experience what’s called ‘mom butt’ during and after pregnancy, which happens when the glutes lose shape and muscle mass,” Rae captioned the video. “This is often due to changes in posture and how we move as our bodies adjust to pregnancy.”

The personal trainer explained the steps other moms-to-be can take to prevent it, adding, “By focusing on glute engagement and maintaining strength training, you can actually continue to build muscle. It’s all about proper movement, posture, and progressive overload.”

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Brittany has offered glimpses into her workouts since she announced her pregnancy earlier this year.

“Round three, here we come,” Brittany and Patrick, who share daughter Sterling, 3, and son Bronze, 22 months, captioned a joint Instagram post in July.

Two months prior, Brittany reflected on the work that went into her Sports Illustrated Swimsuit issue in May.

“People have asked me a lot what I did in the gym to get ‘Swimsuit Ready’. Fun fact – I shot for @si_swimsuit on literally a week’s notice 🤪,” she captioned a video of her working out. “I always preach that staying consistent in the gym and fueling my body well is what helps me be the best version of myself year-round, not just during swimsuit season!”

Brittany took to social media after her exciting baby news to offer an update into how “this pregnancy has been the hardest” on her due to “sickness, exhaustion and now skin” problems. Patrick, 29, meanwhile, teased in July that he is “done” after three kids.

“I said three and I’m done,” the quarterback told reporters at the Kansas City Chiefs training camp press conference that month. “I always wanted to have kids young. I got to grow up in a locker room, and it made such an impact in my life. We’re on our third kid now. … Brittany does a great job of doing that and we still go out and enjoy our life.”

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Patrick and Brittany started dating as teenagers when they met in high school, and they stayed together throughout Patrick’s rise to NFL stardom after he was drafted to the Chiefs in 2017. Patrick and Brittany got engaged in 2020 after eight years together. They exchanged vows in March 2022 and have continued to keep fans updated on their growing family.

“Everybody sees the game days. They don’t see the day-to-day grind. They don’t see how you have to manage playing football and being a dad and being a husband,” Patrick said in Netflix’s Quarterback docuseries in 2023 about life off the field. “It’s football. You’re gonna have highs. You’re gonna have the lows. You put so much into this that you want to win, you want to succeed. And you want to win that Super Bowl at the end of the year. But I have to be a dad too. I have to be a husband.”