Help!!

I have recently had sore boobs(heavy/achy) my nipples have Also become more sensitive. I have been having headaches and have got backache as well as lower abdomen niggles toward the left. They come and go. I have had my period this month, 2-6th. We have been intimate everyday since. Could I be pregnant this soon? And show symptoms?? If so when should I test?? 

Any advice would be appreciated