You can still get pregnant from pre-ejaculation. And on your period or not, you can still get pregnant.
If your period comes, it's unlikely that you're pregnant
There is always a chance of getting pregnant anytime of the month. Just because it is the day after your period does not mean you can't get pregnant, you can get pregnant on your period as well.
Neither, about a week after your period ends is normal.
Yes you can get pregnant on your last day of your period and if the condom is on right and doesn't break or slide off it's most likely to get pregnant on your period.
YES. Even if you're actually on your period, you can get pregnant.
You can get pregnant any time you have sex regardless of when your period was. To find the most likely time when you will get pregnant count back 14 days from the first day of your last period. One month from that day is the most likely time to get pregnant.
It's very unlikely you will get pregnant on the second say after your period starts.
I think you go by when the sperm unites with the egg
yes
Yes.
Yes