Nuva ring users or obgyn ?

can nuva ring go to far in me ... Can it get lost in me ... At my appoitment the nurse practicioner said not to tak it out during sex but I red you can if it's uncomfotable I started it yesterday I still have to wait 2 more weeks for intercorse cuz I jus gave birth a month ago I'm kinda nervious about if it's goin to be in the way