I have been on tricare standard since 2010. I gave birth to my first child in 2011. I am pregnant with my second child now. I received my first bill from my OB office, new state and new OB, and it is more than any bill I received during my last pregnancy routine visits. I am using an in network provider like I did before. I am planning on contacting Tricare to get more answers but wanted to see if anyone else had similar experiences or might know why it is so different.