If your pregnancy test was negative, you got your period and your breasts are sore it could just mean that they're growing. Breasts can also be sore or tender during your period.
BV won't cause a false negative on a pregnancy test.
No, a period and a negative HPT (used at the appropriate time) indicates no pregnancy.
No, UTIs do not affect the accuracy of pregnancy tests.
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No, if you're having a miscarriage, the pregnancy test will still be positive as you're passing the pregnancy.
The cramps and enlarged breasts are signs of period, but with nausea it is more a sign of pregnancy
Having your period means you aren't pregnant
The ONLY times a woman should have milk from her breasts is in very late pregnancy to labor--or while breastfeeding.