Lecturer suing ex-wife over claim she swapped sperm for ex-lover 's in IVF . He paid two of pounds in child maintenance after they divorced . Academic noticed child looked like wife 's ex-lover so had a DNA test . It proved he was n't the child 's father and he now wants £83,500 in damages . High Court case is the first of paternity fraud involving IVF in the UK .
Lecturer suing ex-wife over claim she swapped sperm for ex-lover 's in IVF . He paid thousands of pounds in child maintenance after they divorced . Academic noticed child looked like wife 's ex-lover so had a DNA test . It proved he was n't the child 's father and he now wants £83,500 in damages . High Court case is the first of paternity fraud involving IVF in the UK .