Period ended beginning if this month a few days later found red blood stain on underwear. 4 days later found pinkish brown stain on underwear. Have been having unprotected sex because husband had vasectomy in march. He has not been giving his semen samples- only gave one in since march. Urologist said that I should take pregnancy test because we cannot be sure he is 100 percent spe free. I feel bloated and tender and feel crmpy. When I lay do and press my lower abdomen in middle it hurts and is tender. What's going on. Surely this cannot be ovulation. Could I be pregnant