 [ Symptoms ] i have not exercised in years but i need to get in better shape where do i start [ Disease ] sorry but there is a possibility that you are it was recommended by our doctor to get the first response pregnancy test at a drug store or walmart first response was about 20 or less she advised us that this one is most accurate my best advice for you as a mom is to keep a calendar be diligent about keeping up with the start and stop days of your monthy cycle ejaculation or not semen carries sperm also i suggest that you get on the computer and learn all that you can about sex if there is someone who you can trust to educate you do that for your own information and safety std is are a really big issue do not assume that a person is disease free because you see no tell tale signs read as much as you can good luck