uncomfortable after sex

  ok. i had sex for the first time last week. now my vagina doesn't feel too good. the discharge smelled kind of funny for the first days after, but it didn't look any different from usual. and i feel like i need to pee a lot--when i do pee, my vagina feels funny. it doesn't burn or itch really.
  sometimes after foreplay sorts of stuff, my vagina will get swollen.
  i think that i have sensitive dry skin. could it be that maybe my vagina is just super sensitive, and his bacteria irritated me?
  i don't think this is normal after sex. do i have an infection?
  or an std?
  also, will sex delay the onset of your period?
  thanks, rebecca

[hfhs.rn.smk]

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There are numerous possibilities.  First though, intercourse will not delay periods unless you have become pregnant.  Its always important to empty your bladder before intercourse to prevent the possibility of a bladder infection.  The odor and discharge are impossible to conclude without a physical examination of the discharge.  If you did not use a condom the likelihood of an STD is always there.  As is the posssibility of pregnancy.  I'd follow up immediately with your health care provider.
This information is intended to be informational only.. Medical consultations and diagnosis must be made by your health care provider.