Yes, nothing guarantees 100% that you couldn't get pregnant.
I had a friend that was pregnant and she had her period the whole time. She was worried, so she went to the doctors to make sure nothing was wrong with the baby, and the doctors said nothings wrong.
Birth Control and condoms are just more safe to use than unprotected sex.. they don't guarantee that if you use them, you wont get pregnant. Its just more of a chance you wont.
Hopefully this answer helps you.
Yes
Anytime you have sex, period or no, you can get pregnant.
yes you can
No
You can get pregnant at any time suring your cycle if you have unprotected sex. It is less likely to get pregnant DURING your menstrual period, but it is possible. If you are trying not to get pregnant, make sure you use a condom during your whole cycle. If you've had unprotected sex and you're worried you might get pregnant, go to a helth department or Planned Parenthood and ask for the Plan B pills. They are higher does birth control pills that may stop you from getting pregnant.
yes, it is possible. get a pregnancy test.
Yes
If you had unprotected sex it is possible you are pregnant, sperm can live for 5 days inside the upper cervix and uterus.
You can not be pregnant if you have your period at all. However, if you have missed a week of your birth control pills you do have the chance of becoming pregnant if you have unprotected sex.
YES. Even if you're actually on your period, you can get pregnant.
yes
You can get pregnant any time you have unprotected sex. It is less likely when you are on your period, but it is still possible. Pregnancy is most likely 1-2 weeks before your period.