Could you possibly have an ovarian cyst? A study I read recently attributes irregular cycles to ovarian cysts. Stress from a late cycle will also cause your cycle to be late.
Having a single sexual partner is being sexually active.
If you missed your Depo Provera shot but haven't been having sex, you aren't at risk of pregnancy. Talk with your health care provider before you're sexually active again if you still want to avoid pregnancy.
If you were pregnant then you'd no longer have a menstrual cycle, if you don't understand that then you should in no way be having sex or sexually active to risk pregnancy. The menstrual cycle is your body preparing for possible pregnancy, when pregnant the cycle is shut down.
no
BV won't cause a false negative on a pregnancy test.
Not to sound gross or innapropriate but: any kind of sexual act such as oral, intercourse, or other "activities". People will say that to be sexually active you HAVE to be having intercourse; but, that is false. :)
No, a period and a negative HPT (used at the appropriate time) indicates no pregnancy.
why wouldn't it be
Check
No, UTIs do not affect the accuracy of pregnancy tests.
if you go here it tells you all about ectopic pregnancy's http://www.thelaboroflove.com/articles/will-i-still-get-a-positive-pregnancy-test-if-im-having-an-ectopic-pregnancy/
No, if you're having a miscarriage, the pregnancy test will still be positive as you're passing the pregnancy.