Actress Angelina Jolie has shared that two of her six children have undergone surgery in the last year. On Sunday, the actress, 44, revealed in a first-person essay in Time that two of her daughters have had recent "medical challenges" that resulted in surgery, reports people.com. The essay, "Why Girls Deserve Love and Respect on International Women's Day," begins with her sharing her family's recent health issues. "I have spent the last two months in and out of surgeries with my eldest daughter, and days ago watched her younger sister go under the knife for a hip surgery," wrote Jolie.

"They know that I am writing this, because I respect their privacy and we discussed it together and they encouraged me to write. They understand that going through medical challenges and fighting to survive and heal is something to be proud of," she added. While the "Maleficenta actress referred directly to 15-year-old Zahara, she didn't specify which of her two younger daughters underwent hip surgery. However, people.com confirmed that, Shiloh, 13, was photographed walking on crutches over the weekend while out shopping with her mother and sister, Vivienne, 11.