Credit: SWNS<br /><br />A woman is pregnant with her own son’s baby at 56 after her daughter-in-law was left unable to carry a child - and says she can’t wait to give birth to her granddaughter.<br /><br />Nancy Hauck, 56, offered to be a surrogate for her son, Jeff Hauck, 32, and his wife, Cambria, 30, after her daughter-in-law had a hysterectomy following the traumatic birth of their twins.<br /><br />The pair had already been struggling to conceive for six years before they had twins, Vera and Ayva, now three, and another set, Diesel and Luka, 11 months, via IVF.<br /><br />But after still wanting to expand their family, Nancy had 'a feeling' she was the one who should carry their baby and told Jeff, a computer scientist, she would be willing to do it for them.