The 35-year-old first time mom, whowelcomed son Authur in October,is famously athletic. From grueling marathons to downhill ski races, the younger sister ofKate Middletonhas kept up a tireless workout routine.

And herdedication to fitness continuedthroughout her pregnancy.

“When I learned the happy news that I was pregnant, I realized I needed to adjust my four to five-day-a-week [fitness] routine,” Pippa wrote in her column for the U.K. supermarket monthlyWaitrose Kitchenmagazine, noting that she kept her pregnancy a secret from her gym instructor until the “riskier months” were over.

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“This being my first pregnancy, I had so many questions I felt were still unanswered,” Pippa said. “I wanted to know things like, would I strain if I served in tennis, are strokes of swimming safe, can I still do a normal yoga class if I avoided certain positions? Could I still work my abs?”

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Pippa said she continued to swim, play tennis and keep up with her barre workouts during her pregnancy.

“It’s comforting to know that [swimming] is safe throughout pregnancy, and you don’t need to adapt and change too much (unlike most other sports). It’s so good for you that you could swim every day – as long as you don’t overexert yourself – right up until the end of the third trimester,” she wrote.

When it came to tennis, she said she was told to “keep two feet on the ground when hitting strokes and to avoid sharp turns and quick movements, particularly as I approach the due date.”

She added that barre workouts are “excellent for pregnant women in all trimesters as you mostly rely on your body weight, so it means little impact for your joints and is generally low risk.”

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“I feel far from a ballerina, but I’m equally determined not to break into a penguin-style waddle and plod around with bad posture,” she continued.

The couple walked along the shore hand-in-hand and also enjoyed a dip in the water together.

source: people.com