article_snippet.sent: The study, published in the Health Affairs journal on Monday, has estimated the figure for women aged 40 to 59.
article_snippet.sent: the study was based on billing data from a major U.S. insurer, including more than 700,000 women aged between 40 and 59 in all 50 states, from 2011 through 2013.
highlights_snippet.sent: Study estimates yearly figure for women aged 40-59 .
  