If 17-year-old Kylie Jenner is pregnant, it's safe to assume she'd have the support from her loving family, right? Well, not quite.

Sources tell 'Hollywood Life' that while the pregnancy news would be exciting, it would also be extremely disappointing — especially for sisters Kim Kardashian and Khloé Kardashian, who've both suffered with difficulty conceiving in the past.

“If Kylie were pregnant, Kim and Khloé would be happy for her and absolutely sad at the same time. All the sisters love children and they all believe in having one big happy family,” the insider said, adding, “They just want her to be safe and to be cautious and to make the right decisions."

READ MORE: Kylie Jenner Responds to Pregnancy Rumors With Shocking Pic!

Kylie, on the other hand, has been keeping quiet ever since news broke that she's having 25-year-old Tyga's baby. Most recently, the reality star has posted suspicious photos of herself on Instagram wearing baggy clothing, which is very unusual for the girl who loves to show off her body.

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READ MORE: Here's What Tyga Thinks About Kylie's Alleged Pregnancy

Kim and Khloé aren't the only Kardashians who have a problem with the teenagers alleged pregnancy. 'In Touch' has learned that Kris Jenner is "furious" about the baby news.

“She was screaming, telling Kylie she was going to kill her and that she should have never let this happen," a source told 'In Touch.' "Kris tried to ban Kylie from dating Tyga. Kylie told her to mind her own business."

'Hollywood Life' reported the Kim and Khloé news.