Le coppie che corrono il rischio di trasmettere gravi malattie ereditarie alla loro prole potranno con ogni probabilità ricorrere alla diagnostica preimpianto in Svizzera. Con 138 voti contro 38 e 13 astensioni, il Nazionale ha accettato di rimuovere il divieto vigente.
Contrariamente agli Stati, la Camera del popolo intende anche autorizzare attraverso tale analisi il depistaggio di anomalie cromosomiche come la trisomia 21.
Attualmente le coppie portatrici di patologie ereditarie possono accertare un'eventuale trasmissione delle medesime ai figli solo in fase di gravidanza. Ciò è spesso all'origine di aborti. La modalità di diagnosi sostenuta dal Nazionale consente invece di analizzare un embrione concepito in vitro, prima dell'impianto nell'utero.
Il popolo avrà comunque l'ultima parola, dal momento che in materia si impone una modifica della Costituzione federale.
Red.MM/ATS/ARi
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