Kayla Krause will be able to celebrate her first Mother's Day at home with baby Alton when he leaves the NICU after spending 142 days thereBaby AltonCredit: CBS Philadelphia/YouTubeNEED TO KNOWKayla Krause's son Alton was born prematurely at 22 weeks, weighing just 1 lb., and spent 142 days in the NICUDoctors used advanced technology to treat Alton's lung condition, helping him survive without complications despite the oddsAlton, now 12 lbs. and…