It's very, very possible, but not a guarantee. You might just be late. Take a home test or go see a doctor to be sure.
Not necessarily
First off there is no such thing as a safe day. You can get pregnant at any time.
It is too soon to be pregnant from sex you had 3 days ago.
No not necessarily. If you are on birth control it will affect the length of time you have your periods.
if you have your period you are not pregnant
its always the 14 days after your period. ( to get pregnant)
can i get pregnant 2 days before my period starts
If you have period you are not pregnant.
You can get pregnant at anytime, whether you are on your period or not
You can get pregnant at any time but you are more likely to get pregnant 14 days after your period
If you get your period, you are not pregnant.
Yes, you can be pregnant, your period stops after pregnancy, if you recently had sex and your period stopped early you probably are pregnant.