article_snippet.sent: After going through the menopause a woman's ovaries stop producing the hormone oestrogen.
article_snippet.sent: a woman's ovaries triggers menopausal symptoms including hot flashes and mood swings.
article_snippet.sent: To examine whether that was the case, the Women's Health Initiative in the US was tasked with investigating.
article_snippet.sent: the Women's Health Initiative in the US enrolled more than 26,000 women aged 50 to 79 in the study.
article_snippet.sent: In total, researchers examined 27,347 women aged 50 to 79 years old, who had been through the menopause.
article_snippet.sent: researchers had all taken part in two previous WHI studies, having enrolled at 40 centres across the US from 1993 to 1998.
article_snippet.sent: It's different for each woman.'