Kate Silverton has announced she is four months pregnant after giving up hope of ever having biological children of her ownThe 40-year-old BBC Newsreader conceived naturally after four unsuccessful IVF attempts. After each attempt failed, leaving

was unlikely after Kate lost an ovary in an operation when she was 29.Following four unsuccessful rounds of IVF and acupuncture the pair eventually conceived naturally, which Kate described as a ‘miracle’ when her pregnancy was announced in May 2011.