Πιθανότητα εγκυμοσύνης?

Question

&Gamma;&epsilon;&iota;ά &sigma;&alpha;&sigmaf;. &Epsilon;ί&mu;&alpha;&iota; 20 &chi;&rho;&omicron;&nu;ώ&nu;.&Epsilon;ί&chi;&alpha; &pi;ά&rho;&epsilon;&iota; &tau;&omicron; &chi;ά&pi;&iota; &tau;&eta;&sigmaf; &epsilon;&pi;ό&mu;&epsilon;&nu;&eta;&sigmaf; &mu;έ&rho;&alpha;&sigmaf;(&sigma;&tau;&iota;&sigmaf; 28 &alpha;&upsilon;&gamma;&omicron;ύ&sigma;&tau;&omicron;&upsilon; 40 ώ&rho;&epsilon;&sigmaf; &mu;&epsilon;&tau;ά &tau;&eta;&nu; &epsilon;&pi;&alpha;&phi;ή)  &kappa;&alpha;&iota; &eta; &tau;&epsilon;&lambda;&epsilon;&upsilon;&tau;&alpha;ί&alpha; &mu;&omicron;&upsilon; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron;&sigmaf; ή&tau;&alpha;&nu; 7-12 &Sigma;&epsilon;&pi;&tau;&epsilon;&mu;&beta;&rho;ί&omicron;&upsilon;.&Alpha;&upsilon;&tau;ό &tau;&omicron; &mu;ή&nu;&alpha; &delta;&epsilon;&nu; έ&chi;&omega; &sigma;&epsilon;&xi;&omicron;&upsilon;&alpha;&lambda;&iota;&kappa;έ&sigmaf; &epsilon;&pi;&alpha;&phi;έ&sigmaf;.Έ&chi;&omega; ό&mu;&omega;&sigmaf; &alpha;&nu;&alpha;&gamma;&omicron;ύ&lambda;&epsilon;&sigmaf; &tau;&iota;&sigmaf; &tau;&epsilon;&lambda;&epsilon;&upsilon;&tau;&alpha;ί&epsilon;&sigmaf; &mu;έ&rho;&epsilon;&sigmaf;.&Upsilon;&pi;ά&rho;&chi;&epsilon;&iota; &pi;&epsilon;&rho;ί&pi;&tau;&omega;&sigma;&eta; &nu;&alpha; &epsilon;ί&mu;&alpha;&iota; έ&gamma;&kappa;&upsilon;&omicron;&sigmaf; &alpha;&kappa;ό&mu;&eta; &kappa;&iota; &alpha;&nu;  &pi;ή&rho;&alpha; &tau;&omicron; &chi;ά&pi;&iota; &kappa;&alpha;&iota; &mu;&omicron;&upsilon; ή&rho;&theta;&epsilon; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron;&sigmaf;?