 [ Symptoms ] can you get pregnant without having sex  my liltte cousins swears up and down that she didnt not have sex they were just messing around but yet she became pregnant and has now had the baby but she is still insisting that she and the boyfriend did not phyiscal have intercourse can you talk about this please so i can tell her she is not fooling anyone [ Disease ] e coli is the most common bacteria that causes a urinary tract infection uti assuming you are a female men rarely get utis the bacteria came from your own rectum located quite near the vaginaurethra bacteria that normally live in the colon can thrive in the neighboring vaginal area as well since the female urethra is so short it does not take much for the bacteria to migrate into the bladder sexual intercourse often helps it along