Can I be five months and not know it till now?

Hi um I havent done anything since january…always used proteciton but i kno sometimes you think you cant but do…I missed my period last month and have a wird one at the moment.  nausea, cant eat much, pants have been getting smaller?, I'm not losing weight from not eating becasue I'm either too sic to eat or just plain not hungry,  have had trouble sleepiong (more…)