What Causes Breast Pain, Dark Areola And Vomitings After Unprotected Sex?

so i should've gotten my period today last month i got it on the 14th and it ended on the 19th and me and my partner have been having unprotected sex for 6 months now and a week before my period my boobs would start hurting alot but that hasnt happend and today i noticed my areola has a dark ring around it and my boobs kind of seem fuller but not really and i been having alot of mucus and today when me and my partner had sex there was a creamy color kind of light pinkish brownish color and i also threw up a little twice today and lately i been on and off being hungry and full real fast and i also been really tired lately so what could this mean?