Hello I'm 18 year's old & been with my boyfriend for a very long time I've been going to the doctors and taking home test they did ultra sounds and urine test and everything else it keeps on saying negative tho, I haven't gotten my period since September 25th so 2 months I'm sometimes a week late but not this late and i keep on going to the doctor's and still showing negative? im scared and nervous i don't know what to do, plus I'm in dancing so i don't know what to do can someone give me advice please?