I came to the US in 2010 under F1 visa to pursue Doctoral studies which will take me until 2015. My visa will expire in 2014. I am engaged to a US citizen (by birth) and plan to get married next year. I want to stay in the US, so I want to apply for the permanent residency soon after my marriage. However, I may have to go to Europe for my post doctoral studies in 2015 for a few years.
So my question is can I travel outside the US (with my spouse) under conditional permanent residency for my post-doctoral studies? If I have to lift the restriction, can I do so even if I am outside the US, (my spouse will be living with me)?
Thanks

