“There was no support as no one knew what it was,” she said. “My GP and midwife had no idea and my consultant had only seen five CCAM pregnancies since 2005. I went down to a Harley Street Clinic a couple of times and met one lady there but that was it.”

She finally found Facebook page, Parents of CCAM Babies. “It’s great,” she Yvonne, who is also mum to Ivan, 9 and AJ, 5, said. “Most of the people on there live in America or Australia.”

Yvonne was induced three weeks before her due date on March 30 at Hull Royal Infirmary.