"Before I got pregnant with Kendall, I had a miscarriage at three months. Nicole really got me through that," Jenner, 60, said.
She revealed that her late friend Nicole Brown Simpson, who was murdered by her own husband in 1994, helped her through the difficult time, reported People magazine.
"Nicole was an amazing friend. There were some really great precious moments we shared, (ones) that you have when you spend your life with someone. I had never run before. And Nicole would encourage me. She got me running - and she told, me, 'I promise you'll get pregnant (again)'.