HELP!!!!!!! NEED ADVICE ASAP

Woke up this morning to feeling sick to my stomach... Also my nipples are mega sore and hurting, I've felt like I've had to puck all day, and all i wanna do is sleep. I know i am due to puck any second now i just know it.... I've also had a really bad headache all day, I'm feeling dizzy since about 7:00pm and every time i eat something i feel even worse.... But i noticed i believe yesterday that my vagina or like up there in it it felt like "pressure"i guess you can say. Idk what to do I'm not suppose to start til i believe this Friday.