 [ Symptoms ] is it possible to make it to your 5th month of being pregnant and still not show any signs of being pregnant  is it also possible for home pregnancy test to not work andor be accurate [ Disease ] this is a great question luckily medicare provides a great web site for folks to check out what is covered and what is not covered in its list of medications or formulary check out www medicare gov and click formulary finder 2010 plan data and then select your state of residence in the drop down menu then type in the medication you wish to learn about