By Graeme Murray A student claims six different doctors reassured her she wasn’t pregnant – then she went into labour. Ellie Johnson was having abdominal pains, but had no idea she was carrying a baby after taking three pregnancy tests which were all negative. The 24-year-old visited six doctors and had an ultrasound scan which all confirmed she wasn’t expecting. She was also on the pill at the time so it seemed unlikely. The history student began feeling unwell in August 2018, but claims doctors told her she had a “blockage” in her body. The mum from Essex said: “I was on the contraceptive pi…