AMERICAN FORK, Utah When Haley Lewis gave birth to twin girls in December 2021 after years of infertility, it was a complicated moment.Her daughter Sorin was healthy, delivered at 7 pounds at 37 weeks.Astrid was stillborn. Shed previously been diagnosed with triploidy, a rare genetic abnormality that proved fatal at 23 weeks."Its a blur, Lewis said as she recalled the day of their delivery in an interview with FOX 13 News. Like, everyones coming…