article_snippet: Being a carrier of the BRCA1 or BRCA2 gene gives a woman a 45-90 per cent lifetime risk of cancer.
article_snippet: a carrier of the BRCA1 or BRCA2 gene also increase breast cancer risk in men.
article_snippet: As many as 65 per cent of women who carry the BRCA1 or 2 genes will get ovarian cancer by the age of 75.
article_snippet: A blood test detected potential anomalies linked to the protein CA-125, high levels of which can indicate ovarian cancer.
article_snippet: There are many reasons other than ovarian cancer why levels of the CA-125 protein level may be raised - such as the condition endometriosis or a benign ovarian swelling. '