The annual requirement over 3 years is not stated ; under requirements it just says if not practiced for three years have to have a competency assessment. Even if it were 1200 hours that is 7 months work over 3 years. 

So, not particularly onerous , but more to the point should not be lowered further solely because it is women dominated field. Paediatric Emergency doctors are 73% women; shall we lower their standards because 'they have been getting pregnant for some time now'?