[Johnny555]

>For baby 10M+1 are they going to tell a Swiss woman that she can’t have a baby?

This wouldn't happen because it's not actually a population control measure, it's an immigration control measure - when the population gets above 9.5M, Switzerland would start shutting down immigration/asylum. There's nothing in the initiative that would set controls on births by Swiss citizens. (and it would be unlikely to be needed since Switzerland is facing the same low birth rate of other western countries)