 [ Symptoms ] could i be pregnant  i have been on birth control for about five years now my periods come regularly when my husband and i have sex we also use a comdom as well well during my inactive pills when he pulled out the condom stayed in i have finished my birth control and i have missed my period i have take pregnancy test and they have come back negative could i be pregnant [ Disease ] hi its a bit hard to pick one out as there may be some little bits you have left out so here is a list of possible is searches related to zoonotic diseases in horses and eye problems leptospirosis an infectious bacterial disease that occurs in rodents dogs and other mammals and can be transmitted to humans rabies a contagious and fatal viral disease of dogs and other mammals that causes madness and convulsions transmissible through the saliva to humans cryptosporidiosis a parasitic disease caused by cryptosporidium a protozoan parasite in the phylum apicomplexa it affects the intestines of mammals and is typically an acute short term infection   lyme disease an inflammatory disease characterized at first by a rash headache fever and chills and later by possible arthritis and neurological and cardiac disorders caused by bacteria that are transmitted by ticks see how you get on good luck