BBC News - Jayden Parkinson: Ex-boyfriend Ben Blakeley remanded 17 December 2013 Last updated at 11:21 The ex-boyfriend of a missing teenager from Oxford, who is accused of her murder, has been remanded in custody. Officers are continuing to search for her body. Ben Blakeley, 22, of Christchurch Road, Reading, appeared at Oxford Crown Court where a plea hearing was set for 17 March. Police said there have been suggestions Jayden may be pregnant. But Det Ch Supt Andy Murray said officers had no way of confirming this. Mr Blakeley, who has also been charged with perverting the course of justice, is accused of disposing of Jayden's body and lying to police about the last time he saw her. 100 officers A 17-year-old boy, from Didcot, who has been charged with perverting the course of justice is due before Oxford Crown Court later. The teenager is accused of assisting in the disposal of Jayden's body and other evidence. Police have called on the public to "refrain from carrying out their own searches" for Jayden. More than 100 officers and detectives are working to find the teenager. She was seen on CCTV boarding a train from Oxford railway station to Didcot Parkway at 16:07 GMT on 3 December. The last reported sighting of her was at Didcot station later the same day. Officers have been searching in Didcot and around the village of Upton.