What Are The Symptoms Of Potential Pregnancy?

hi. my name is diane acosta. i am 23 years old i have a medical history of athsma and take albuterol for it. i took clomid and metformin for one cycle last year around november. my period are regular for the most part with the exception of missing a period once in a while but never more than a month. the last time i had my period was april 17th. in june i had brown discharge for about a day or two and that was it. now it s the middle of july. for the past week and a half i ve been feeling like i have my pediod but no blood. my breadlsts are sore, im always hungry, i ve been getting this metal taste in my mouth when i wake up the next day l, i could sleep all day, i get cramps and this morning when i brushed my teeth i was bleeding like as if i cut my gums (which never happens. if i bleed, it would be very light if any at all. am i pregnant? if not, what else could it be?