Kim Kardashian was robbed at gunpoint of $11 million in jewels two months ago, but now a source claims a reproductive disease could steal something even more valuable — her chance to have more kids.

In a bombshell world exclusive, Breaking Celebrity News can reveal Kim has been diagnosed with a debilitating reproductive disease known as endometriosis.

The reality star and mother of two — daughter North, 3, and son Saint, 1 — "has been experiencing terrible pain," said the insider.

Endometriosis causes tissue to grow outside the uterus, leading to "severe" pain for the victim, said experts. The disorder can become a complicating factor in infertility, which Kim experienced while try