 [ Symptoms ] early period headache naseuous tired bloated but no other problems i am worried i might be pregnant i have had just those symptoms but nothing else [ Disease ] if u experienced a period in my experiences not a doc former medic in army and worked in emergency rooms combat situations etc plus have wife sister 16 yr old daughter 10 & 8yr old daughters who live with me since their birth and wife is family mostly women as well  a sign of a period plus period like symptoms such as the bloating suggests a pms cycle but nausea drowsiness may suggest something else like a cold or flu this time of year may be stress related depending on your personal life i would contact a nurse or obgyn professional for further information to other medical possibilities and get a proper pregnancy test to rule it out or confirm i hope i helped