 [ Symptoms ] is it normal to skip a period when switching from a name brand to an off brand birth control  i always had normal periods for four years on my previous birth control i switched to this new birth control four weeks ago and i have not had my period this week at all i remember accidentally skipping a day last week could skipping one day mean i am pregnant [ Disease ] if the symptoms occur only during early morning then i do not feel that anything needs to be done aggressively a retrograde ureterscopy with a camera can asses the state of the spincter or any associated uretheral pathology like a urethric rudimentary valve