It is normal to be late sometimes for your period; however, you should probably take an EPT just to be on the safe side. They are reasonably priced, and very accurate. If you have any questions or concerns after taking an EPT, you should see your doctor to be sure.
no
Yes, the last days of your period can overlap with ovulation.
7-10 days after your last period started
no no
Yes
Yup
Yes, your prime time for conceiving is 10-14 days after your last period.
no you do not get a period if you are pregnant but that does not mean it is okay to have unprotected sex on your period sperm can live for 10 days
Neither, about a week after your period ends is normal.
No. If you are pregnant, your period will not come until you have had the baby.
Yes. Counting days is very unreliable as a means of contraception.
Yes, this is definitely possible. I was pregnant although I had had my last period in May, 1985, for about 3 days. Hope this makes your day!