article_snippet.sent: Mrs Butler said: 'I was angry when I found out that BV had caused Callum’s premature birth because it was the first I had heard of it. '
article_snippet.sent: It was only during a consultation with a specialist two years later that Mrs Butler was horrified to be told an infection must have caused Callum's early arrival. '
article_snippet.sent: Callum's frail state when Mrs Butler was born meant doctors feared Mrs Butler may not live. 
article_snippet.sent: Callum’s experience was awful, and it was incredibly difficult for my husband and I to have to watch Mrs Butler suffer. '
article_snippet.sent: I don’t want anyone else to have to go through what Callum endured,' Callum said. '
highlights_snippet.sent: Son Callum was later told common infection, bacterial vaginosis, was to blame .
  