Μπορεί το δακτυλίδι αντισύλληψης να σταματήσει την περίοδο?

Question

&Gamma;&epsilon;&iota;&alpha; &sigma;&alpha;&sigmaf;. &Sigma;&alpha;&sigmaf; &pi;&alpha;&rho;&alpha;&kappa;&alpha;&lambda;ώ &chi;&rho;&epsilon;&iota;ά&zeta;&omicron;&mu;&alpha;&iota; ά&mu;&epsilon;&sigma;&alpha; &tau;&eta; &beta;&omicron;ή&theta;&epsilon;&iota;&alpha; &sigma;&alpha;&sigmaf;...&Mu;&pi;&omicron;&rho;&epsilon;ί &tau;&omicron; &kappa;&omicron;&lambda;&pi;&iota;&kappa;ό &delta;&alpha;&kappa;&tau;&upsilon;&lambda;ί&delta;&iota; &alpha;&nu;&tau;&iota;&sigma;ύ&lambda;&lambda;&eta;&psi;&eta;&sigmaf; nuvaring  &nu;&alpha; &sigma;&tau;&alpha;&mu;&alpha;&tau;ή&sigma;&epsilon;&iota; &tau;&eta;&nu; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron;? &Tau;&omicron; έ&beta;&gamma;&alpha;&lambda;&alpha; &sigma;&tau;&iota;&sigmaf; 18 &tau;&omicron;&upsilon; &mu;ή&nu;&alpha; &kappa;&alpha;&iota; &delta;&epsilon;&nu; &alpha;&delta;&iota;ά&theta;έ&tau;&eta;&sigma;&alpha; &kappa;&alpha;&iota; &upsilon;&pi;&omicron;&tau;ί&theta;&epsilon;&tau;&alpha;&iota; &alpha;ύ&rho;&iota;&omicron; 25  &pi;&rho;έ&pi;&epsilon;&iota; &nu;&alpha; &beta;ά&lambda;&omega; &tau;&omicron; &nu;έ&omicron;...&Upsilon;&pi;ά&rho;&chi;&epsilon;&iota; &pi;&epsilon;&rho;ί&pi;&tau;&omega;&sigma;&eta; &epsilon;&gamma;&kappa;&upsilon;&mu;&omicron;&sigma;ύ&nu;&eta;&sigmaf;? &Kappa;&alpha;&iota; &alpha;&nu; &nu;&alpha;&iota; &kappa;&alpha;&iota; &beta;ά&lambda;&omega; &tau;&omicron; &nu;έ&omicron; &delta;&alpha;&kappa;&tau;&upsilon;&lambda;ί&delta;&iota; &tau;&iota; &pi;&alpha;&rho;&epsilon;&nu;έ&rho;&gamma;&epsilon;&iota;&epsilon;&sigmaf; &mu;&pi;&omicron;&rho;&epsilon;ί &nu;&alpha; &upsilon;&pi;ά&rho;&xi;&omicron;&upsilon;&nu;? &Epsilon;ί&mu;&alpha;&iota; 35&chi;&rho; &mu;&eta;&tau;έ&rho;&alpha; &mu;&epsilon; &delta;ύ&omicron; &pi;&alpha;&iota;&delta;&iota;ά(&kappa;&alpha;&iota;&sigma;&alpha;&rho;&iota;&kappa;έ&sigmaf;)  4 &kappa;&alpha;&iota; &sigma;&chi;&epsilon;&delta;ό&nu; 2 &kappa;&alpha;&iota; &mu;ί&alpha; &alpha;&pi;&omicron;&beta;&omicron;&lambda;ή &epsilon;&nu;&delta;&iota;ά&mu;&epsilon;&sigma;&eta;. ό&tau;&alpha;&nu; &sigma;&tau;&alpha;&mu;ά&tau;&eta;&sigma;&alpha; &nu;&alpha; &theta;&eta;&lambda;ά&zeta;&omega; &tau;&omicron;&nu; &gamma;&iota;&omicron; &mu;&omicron;&upsilon; &xi;&epsilon;&kappa;ί&nu;&eta;&sigma;&alpha; &alpha;&nu;&tau;&iota;&sigma;&upsilon;&lambda;&lambda;&eta;&pi;&tau;&iota;&kappa;ά &chi;ά&pi;&iota;&alpha; &pi;&omicron;&upsilon; &mu;&omicron;&upsilon; &sigma;&tau;&alpha;&mu;ά&tau;&eta;&sigma;&alpha;&nu; &tau;&eta;&nu; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron; &kappa;&alpha;&iota; &mu;&omicron;&upsilon; &mu;&eta;&delta;έ&nu;&iota;&sigma;&alpha;&nu; &tau;&eta;&nu; &lambda;ί&mu;&pi;&iota;&nu;&tau;&omicron;. &Pi;&rho;&iota;&nu; έ&nu;&alpha; &pi;&epsilon;&rho;ί&pi;&omicron;&upsilon; &chi;&rho;ό&nu;&omicron; &xi;&epsilon;&kappa;ί&nu;&eta;&sigma;&alpha; &tau;&omicron; nuvaring &kappa;&alpha;&iota; &tau;ώ&rho;&alpha; &delta;&epsilon;&nu; &xi;έ&rho;&omega; &tau;&iota; &nu;&alpha; &kappa;ά&nu;&omega;...&Epsilon;&upsilon;&chi;&alpha;&rho;&iota;&sigma;&tau;ώ &alpha;&nu;&alpha;&mu;έ&nu;&omicron;&nu;&tau;&alpha;&sigmaf; &tau;&eta;&nu; &alpha;&pi;ά&nu;&tau;&eta;&sigma;&eta; &sigma;&alpha;&sigmaf;!!!