"Now it has a heightened significance based on the results of the midterms[elections] given there is a huge number of women,and from diverse backgrounds."
Dr Rosewarne said the impact of wearing white comes from women doing it in large numbers,as seen at the State of the Union.
House Speaker Nancy Pelosi shakes hands with President Donald Trump at the State of the Union address.Credit:AP
"White is chosen as a colour because it's non-threatening. It's a subtle way to make a statement.
"Last year Melania Trump wore white - it highlights it's not a controversial colour,it's considered a way to honour your sisters and the groundwork they did as opposed to making a protest."