Mrs Dymock has been campaigning against antenatal screening for Down syndrome since her son, Bill Gavin, was born with the condition 17 years ago.
“When I was pregnant I really was being pressured to abort him,” she said.
She said that when antenatal screening for Down syndrome often led parents to terminate their pregnancies it was a form of discrimination.
“Why is it OK to discriminate against Downs? It’s a huge discrimination, you can’t even get born,” she said.
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