Fear about dead persons. Please help.

I am 29yr old housewife. I havebeen suffering from hypothyroid for last 3yr otherwise no other health issues. Now i am 6 months preganant. My problem is i have very much fear about deadbodys. I cant watch them in movies, pictires and in funerals. If i saw something like that i accidently throw the things whatever it is.. I dont know why i am behaving like this. I am very afraid about that i have this problem from my childhood but not this much worse thatmeans at that time its oke for me to watch those scary seens in movies But now for last 1yr i cant control myself i am under thatmuch fear i cant see and  even i am afraid to explain about that Special i have fear about deadbody those embeded in white cloths and such things sorry i am afraid to explain it. Now my major fear  is that after deivery while i am feeding my baby and if i saw such things i am afraid that did i slip my baby too... I am under verymuch worry and tension please help..