my baby was born 11jan09, 2 weeks earlier than her edd. her edd was 26jan09, 1st day cny. i hired a cl through gpls confinement agency.
to answer your questions:
-yes, there're some confinement ladies taking up the jobs during cny, though i think there're fewer available. so it's a good idea to book way ahead. it's now 6 months away from your edd, i think there's still time.
send me a private message if you really can't find one. my cl was a malaysian and she specialises in working with twins and she's always keen to work during cny.
-yes, the cl does charge more. mine was almost one third more than the usual price