 [ Symptoms ] when should i take a pregnancy test  my last depo shot was in nov 2014 my period have not returned as of yet but i have been having unprotected sex since march still i have not started my period yet could it be possible that i am pregnant without seeing any signssymptoms [ Disease ] i would not recommend taking ginkgo biloba if you have diabetes we have some data that shows it interacts with quite a few medications and in my opinion it is better to be safe than sorry