Hi My Name Is Brittany Hess Im 20 Years Old

hi my name is brittany hess im 20 years old and i need a doctors opinion my finance have been trying to concive for about 2 years now , i had my period for only 3 days and it was red and now im having clear strechy discharge my periods are always regular and they last 7 days but now its been only 3 days long and im going to be happy if i am but i just want to know i have tender breast back pain and bubble feeling in my abdomen , im tired and i feel sick but dont throw up if you could help me i would appreciate it .