The reality TV star is set to marry Kanye West in Paris this spring and the couple are said to want to start trying for a brother or sister for nine-month-old North straight away.
While Kim made no secret of struggling with her pregnancy, she is so bespotted with her little girl that she’s eager to add another to her brood.
The 33-year-old - who has sisters Khloe and Kourtney, brother Rob and half sisters Kendall and Kylie - is said to be keen for her daughter to have a sibling close to her in age.
Kim and Kanye's wedding is set to be a star studded affair, with a guest list thought to include chat show legend Oprah Winfrey, Will Smith and his wife Jada Pinkett Smith, as well as close friends Beyonce and Jay Z.