'Keeping Up With The Kardashians' Season 10 Throwback Promo Video: Khloe Teaches Kendall About Getting Her Period

Kendall Jenner, Khloe Kardashian And Kylie Jenner During The 42nd American Music Awards — Kendall Jenner is now the model of the moment. One of the most sought-after ladies in catwalks around the world, Kendall has made a name for herself. However, it wasn’t that long ago when she was just a lanky adolescent playing a minor role alongside her sisters in their reality show. IN PHOTO: Kendall Jenner, Khloe Kardashian and Kylie Jenner arrive at the 42nd American Music Awards in Los Angeles, California November 23, 2014. Reuters/Danny Moloshok

Kendall Jenner is now the model of the moment. One of the most sought-after ladies in catwalks around the world, Kendall has made a name for herself. However, it wasn’t that long ago when she was just a lanky adolescent playing a minor role alongside her sisters in their reality show. Now that Season 10 of “Keeping Up WIth the Kardashians” is about to air, E Online shares a look back at how Khloe Kardashian told Kendall all about periods. [Video below]

Taken from one of the earliest episodes of “Keeping Up With the Kardashians,” the video was taken back when Kendall hadn’t even had her period yet. The curious adolescent has been asking her older sister Khloe about the impending change in her life. Khloe decides to give her a little tutorial class to talk all about periods and womanhood.

Khloe enlists the help of Kylie Jenner to help her out during her talk with Kendall. Kourtney and Kim sits with Kendall on the couch while Khloe assumes the role of teacher. Khloe whips out a sanitary pad and shows it to Kendall who is looking uncomfortable. Khloe says she’s squirming and avoiding eye contact. Khloe then steps it up a notch and asks her assistant Kylie to whip out a tampon.

“It looks like it hurts, but it doesn’t,” assures Kourtney. Khloe then makes a demonstration of how a tampon works. She dips it in a glass of water where it absorbs the liquid and opens up like a flower. She explains that “it absorbs all the blood so it doesn’t leak out of you.”

Kendall still looks uncomfortable but Kourtney thinks that either way, she must have learned something. The whole thing will also help Kendall know that she can approach her sisters if she has any more questions in the future.

They continue with the lessons by watching a home video of Kendall’s birth. Kendall visibly starts to feel more comfortable and smiles as she watches the video with all her sisters. All of them freak out when a bloody little Kendall finally comes out.

In the upcoming season of “Keeping Up With the Kardashians,” it’s Kourtney’s turn to give birth to her third child. The births of her first two children, Mason and Penelope, were documented in the show, and this time around, it’s baby Reign Aston Disick’s turn to make his debut. “Keeping Up With te Kardashians” Season 10 starts airing on Sunday, 9 pm on E.