Court heard man and woman , who had troubled marriage , had IVF in 2004 . They had a row , so woman returned to clinic with former partner in 2005 . It was then that she conceived their son using former partner 's sperm . But husband said he was not told of this until the child was five years old . He didn't want his wife having children without him, but it is illegal for couples to have more than one child if they don't live together. Judge also ordered wife to pay his legal fees , believed to be £60,000 . Man lost contact with boy , but hopes son 'will find me ' when he 's 18 .
Court heard man and woman , who had troubled marriage , had IVF in 2004 . They had a row , so woman returned to clinic with former partner in 2005 . It was then that she conceived their son using former partner 's sperm . But husband said he was not told of this until the child was five years old . He was today awarded £40,000 in damages at London 's County Court . Judge also ordered wife to pay his legal fees , believed to be £60,000 . Man lost contact with boy , but hopes son 'will find me ' when he 's 18 .