Hi I'm 18 and my period is 6 days late and it feels like I'm going to throw up and i eat a lot. my and my boyfriend still have sex and then it all feels the same. but my nipples are hurting and i get headaches. what is going on with me? please let me know. but i really want to be pregnant. but i don't know i don't believe that my body would let me hold a baby. i lost 2 in 2 years.