No, that sounds like your hormones and PMS. Do you also have a back ache, very emotional, cramps, food cravings? If so this is PMS. Get some Midol at the drugstore to help you.
It honestly depends on what condition you are diagnosed with for example you could go for a screening, find out that you have a small cancer tissue- for example- then go for another screening and...
Early detection is hard unless you have an annual mammogram , which, for women especially is not done enough. When looking for the symptoms on your own, though, lumps on the chest area , underarm ,...