No quiero simplificar excesivamente, ya que obviamente son múltiples los motivos, que tienen que ver con las pautas laborales, la proliferación de la anticoncepción, el diferente papel de la mujer en la sociedad y la longevidad.
One does not want to oversimplify, as there are obviously a lot of things going on, to do with changing working patterns, the spread of contraception, the different role of women in society, and longevity.