A pregnant Colorado woman and her two daughters have been missing since Monday and authorities involved in the desperate search are being tight-lipped about many of the details surrounding the mysterious case. 
 
 Shanann Watts, 34, and her two daughters -- Celeste, 3, and Bella, 4 -- were reported missing in Frederick, about 30 miles north of Denver, local police said Tuesday. 
 
 Officials have released few details about Watts, who is 15 weeks pregnant, and her daughters, only saying no vehicle has been associated with their disappearance. They did not specify where the mother and children were last seen. 
 
 The Colorado Bureau of Investigation, which joined the investigation, along with the FBI, described Watts as 5-5, 148 lbs. with black hair and hazel eyes. Bella is 3-6, 40 lbs. with brown hair and eyes. Celeste is 3-0, 37 lbs. with blond hair and hazel eyes. 
 
 Nickole Utoft, a close friend of Watts, told FOX 31 she called police after Watts did not answer her phone on Monday. 
 
 She said she had last seen Watts at her home about 2 a.m. Monday when they got home from a work trip. The two planned to meet up again later that day. 
 
 “I called her and texted her several times,” she said. “I knew she had a doctor’s appointment that morning because she’s pregnant. She didn’t show up for it…and I was even more concerned.” 
 
 Utoft said police did a welfare check at Watts’ home on Monday, finding her purse, keys and phone inside. 
 
 “I don’t know where she’s at. This is completely unlike her,” she added. 
 
 Watts’ husband, Chris Watts, told reporters he is traumatized by the disappearance and is hoping for their safe return. 
 
 “It’s not something I could ever, ever fathom would happen in my lifetime, and I have no inclination of where she is," he said. "She said she was going to a friend's house with the kids and that’s the last thing I heard, and that was it. It was very vague." 
 
 Anyone with information is asked to contact Det. Dave Baumhoverf the Frederick Police Department at (303) 652-4222 or dbaumhover@frederickco.gov. 

 Pregnant woman, 2 daughters reported missing in Colorado copied! 
 
 Police in Colorado have issued an alert for Shanann Watts, a pregnant mother, and her two young daughters. They were reported missing on Monday and officials fear they could be in danger. According to the woman’s husband, Chris Watts, the couple had an emotional conversation early Monday morning, but he did not elaborate. NBC national correspondent Miguel Almaguer reports for TODAY. 
 
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 FREDERICK, Colo. – The Federal Bureau of Investigation and Colorado Bureau of Investigation have joined in the search for a pregnant woman and her two daughters who are missing out of Frederick. 
 
 Frederick police had been searching for Shanann Watts, 34, and her daughters, 3-year-old Celeste and 4-year-old Bella, since they were reported missing Monday. CBI issued a missing-endangered alert for the three on Tuesday. 
 
 A news conference took place at 3:30 p.m. Wednesday at the Frederick Police Department. During the media briefing, police said there is no threat to the public and officers are continuing to canvass the neighborhood and a nearby trail system for the missing family. 
 
 Police declined to comment further on the investigation. A second news conference is scheduled for 6 p.m. Wednesday, but it's not clear what information will be released. 
 
 ABC News on Wednesday first reported that the FBI was involved. 
 
 Watts is 15 weeks pregnant. Her husband told Denver7 his wife’s purse, keys and phone were all left at home. 
 
 She is described as white, 5-foot-5 inches tall and 148 pounds, with hazel eyes and black hair. Bella Watts is 3-foot-6 inches tall and 40 pounds, with brown hair and brown eyes. Celeste Watts is 3 feet tall and 37 pounds, with blonde hair and hazel eyes. 
 
 Anyone with information on her whereabouts is asked to call Detective Dave Baumhover at 303-652-4222 or dbaumhover@frederickco.gov. People can also call the Frederick Police Department at 720-382-5700. 

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 / Updated By Kalhan Rosenblatt 
 
 A Colorado mother and her two young daughters have been missing since Monday and are considered endangered, according to police. 
 
 Shanann Watts, 34, who is 15 weeks pregnant, and her daughters Bella, 4, and Celeste, 3, went missing early Monday after Watts returned home from a business trip. 
 
 "I don't feel like this is even real right now. It's like a nightmare I can't wake up from," said Watts' husband, Chris Watts. 
 
 He said he last saw his wife at 5:15 a.m. MT (7:15 a.m. ET) when he left for work. 
 
 Chris Watts told KUSA that the couple had an emotional conversation early Monday, but did not disclose what the conversation was about. He said he saw his daughters asleep on a baby monitor before leaving the house. 
 
 "I texted her a few times, called her, but I didn't get a response," Chris Watts said. "That was a little off." 
 
 Around noon on Monday, using a doorbell camera, Chris Watts' said he saw a friend of his wife come to the home, but when no one answered, he became worried. 
 
 Chris Watts returned home, but Shanann Watts, Bella and Celeste were not there even though her car was still in the driveway. 
 
 Fredrick Police Department Detective Dave Baumhover said Shanann Watts was reported missing at 1:40 p.m. MT (3:40 p.m. ET) on Monday. 
 
 Shanann Watts, 34, and her daughters have been reported missing. Frederick Police Department 
 
 The Colorado Bureau of Investigations have since issued a "missing endangered alert" for Shanann Watts, Celeste and Bella due to the length of time that has passed since the three family members were seen. 
 
 An Amber Alert was not issued due to Shanann Watts' car being found at the home. 
 
 Baumhover said nothing appeared out of place at the house and officials are unaware of any mental health issues associated with Shanann Watts. Baumhover said police are speaking with friends and family to construct a timeline of when she was last seen. 
 
 "Knowing they could be in trouble, it's earth-shattering," Chris Watts said. 
 
 Shanann Watts' phone, purse and wallet were all found inside the home, according to Amanda Thayer, a friend of the pregnant mother. 
 
 "I said, 'Shanann, if you're checking your Facebook or Messenger, please let me know you're OK,'" Thayer said of a message she sent Shanann Watts. "I can't lose my best friend."
– "It's like a nightmare I can't wake up from," says the husband of a pregnant woman who, along with the couple's two young daughters, has been missing since Monday. Authorities believe that Shannan Watts, 34, and daughters Bella, 4, and Celeste, 3, are in danger, NBC reports. Shannan is 15 weeks pregnant. Husband Chris Watts tells Today that he and his wife, who reside in Frederick, about 30 miles north of Denver, had an "emotional" conversation early Monday before he went to work, and that he hasn't heard from her since. He didn't provide any more details about the conversation. He says he received no response to texts and a call that he made to his wife later in the day. "That was a little off," he says. Nickole Utoft, a friend of Shannan Watts, tells FOX31 that she called police after Shannan did not answer her phone. The two had returned early Monday from a business trip and had planned to meet up later. “I called her and texted her several times,” she says, adding that when Shannan missed a doctor's appointment, "I was even more concerned." Officers doing a welfare check found that Shannan's keys, purse, and phone, as well as her car, were still at the house. In addition to local authorities, the FBI and Colorado Bureau of Investigations have joined the search, the Denver Channel reports. Anyone with information is asked to call 303-652-4222 or 720-382-5700.