if you can show that your across the issues on both sides of te debate then you'll have a much better chance of no being pressured.
This is what we have found. Once we worked out what we were Ok with and what we werent Ok with regarding the vaccination (and timing) for our girls, it made the process alot easier with the nurses (I only refer to nurses in this case as our GP has been our family GP for years now and knows us, so no need to explain over and over ITMS).