Most reasons in favor of ECS and against ECS
The most common reason in favor of ECS out of 10 reasons was that participants were not wanting a future child to suffer from a severe genetic disorder (89.4%). The second most reason was that ECS could help them make better informed reproductive decisions (73.0%). Our study showed that only 6.9% would decline the ECS test. The most frequently selected reason against ECS out of 10 reasons was that there was no hereditary disease in the family members of their participants (67.2%, 41/61), and the second most mentioned was the cost (47.6%, 29/61, Table S4).