You may have not been at the proper time in your fertility cycle, the egg may not have left the ovary, or it is too close to your menstrual period. Imagine the earth crowded with people if every act of sexual intercourse resulted in a baby.
Absolutely, yes. Independent of you climaxing, if your boyfriend ejaculated in you, you can most certainly get pregnant.
Theres a chance you could get pregnant
you are not pregnant, or else your body believes that you are not pregnant
You could be pregnant - take a test
You could be pregnant!
Males sperm is what fertilizes your egg.
If you have had periods and have been having unprotected sex - then you certainly could be pregnant.
Of course you can be anytime you have unprotected sex you may become pregnant.
No, you can't. Unless he was inside of you or came on your vagina with no pants on, you're not going to get pregnant.
The same chances as if he hadn't...it's called pre-ejaculation.
You can still get pregnant from pre-ejaculation. And on your period or not, you can still get pregnant.
First off, are you sleeping with anyone else? Perhaps someone besides your boyfriend "came" inside you. Also sperm are very resilient, they can probably swim across bed sheets.