The social media news about Ashlei Sharpe Chestnut's confirmed exit from the upcoming Chicago Med Season 12 is really heartbreaking for her fans. Last time, we saw Dr. John Frost and Dr. Naomi Howard finally become a couple after Frost unloaded his feelings on Naomi followed by a meeting with Naomi's boyfriend. But in the new chapter, viewers will miss their beloved Naomi.Chestnut confirmed the news through a comment on one of her TikTok videos after a fan asked her whether she would return to the series or not. The fan wrote:"I haven’t seen you in ages hope you’re doing well. Can I ask will you be returning to Chicago Med?"The star thanked them and said no. Other fans expressed disappointment after seeing Ashlei's comment.The core returning characters in the new chapter are Dr. Daniel Charles, Sharon Goodwin, Dr. Hannah Asher, Dr. Dean Archer, Dr. Mitch Ripley, Dr. Caitlin Lenox, and Dr. John Frost.Continue reading more about the returning and exiting cast members from the series.Who are the returning cast members in Chicago Med Season 12? View this post on Instagram Instagram PostChicago Med Season 12 confirmed the return of seven key cast members. The list is given below:S. Epatha Merkerson as Sharon GoodwinOliver Platt as Dr. Daniel CharlesSteven Weber as Dr. Dean ArcherJessy Schram as Dr. Hannah AsherLuke Mitchell as Dr. Mitch RipleySarah Ramos as Dr. Caitlin LenoxDarren Barnet as Dr. John FrostThe showrunner Allen MacDonald confirmed that the story would move forward with a 3-month time jump, which would set up Hannah's arc. So far, she hasn't shared her feelings with Dean because of the baby. Both are living together to take care of Mabel, but the arrangement remains complicated.Last time, we saw Hannah step away unwillingly from her job and even stay on duty until her water broke. Maternity leave had been difficult for her, leaving her feeling cut off. A visit to the emergency department in the premiere only deepened that sense of isolation.Ashlei Sharpe Chestnut confirmed her exit from Chicago Med Season 1214th Annual AAFCA Awards - Arrivals - Source: GettyUSA Magazine reported that Chestnut previously appeared in season 9 and season 10. However, her fans started questioning her future in the series. Allen MacDonald responded to the concerns of the fans and said that Chestnut's character was not written off, and she reappeared in season 11.In one of Chestnut's TikTok videos, a fan commented,"I haven’t seen you in ages hope you’re doing well. Can I ask will you be returning to Chicago Med?"Chestnut replied,"Thank you! Hope you’re well too. And no."Another fan shared that they felt genuinely sad and explained that they had enjoyed her character on Chicago Med and wished her success in upcoming work. Chestnut herself responded by noting that she also would have loved the chance to return.According to Yahoo Entertainment, Sarah Ramos will miss several episodes at the start of the season because she is taking maternity leave from the show.Follow Soap Central for more updates on Chicago Med Season 12.