yes
That close to your period, it's hard to tell. Precum always carries the risk of getting you pregnant too, but if you're concerned, pick up a pregnancy test to be sure.
periods are a sign that you are not pregnant, yet there is a very small chance you will be pregnant from your ex. it is probly going to be your boyfriends baby. congrats
Of course you can be anytime you have unprotected sex you may become pregnant.
did you swallow it?
Yes, it is not as common to get pregnant while on your period, but you still can get pregnant. Sperm can live inside a women for a few days and it is definitely possible.
10-14 days later.
yes, definately! it depends when you had your last period. as you know, your period is your body releasing unfertilised eggs. so if you are just after, you might be lucky, or unlucky, depends on your point of view!
You could be pregnant!
If you are having unprotected sex, your chance of becoming is high. The only way that is 100% sure is abstinence.Barring that, using a condom is above 95%
It's unlikely if you've had your normal period.
Sperm can live inside your body for up to seven days so yes it is possible.