Doctor is silhouetted as he walks past poster at Italian fertility doctor Severino Antinori's private clinic in Rome. A doctor is silhouetted as he walks past a poster showing images of the development of a human foetus at Italian fertility doctor Severino Antinori's private clinic in Rome June 6, 2005. The number of infertile couples seeking help abroad has tripled since lawmakers in Roman Catholic Italy crossed party lines last year to approve one of Europe's most restrictive laws on assisted reproduction. This weekend the standoff will come to a head with a four-part referendum that, if passed, would significantly change the law. The poll has shattered traditional political alliances and elicited emotional appeals from church pulpits. Picture taken June 6, 2005. HALTH REUTERS/Alessia Pierdomenico