Well if the girl never had her yet. Or if she is infertile and can't produce eggs or she has cancer. Otherwise if you are fertile then you can get pregnant. The 100% best Birth Control method that will protect against std's and pregnancy is abstinance!
If a woman gets her period it is unlikely that she is pregnant
No. If you have a vasectomy, you are a man. It might be possible, but very unlikely, that you could get a woman pregnant.
They don't swim or move so getting a woman pregnant is extremely unlikely.
Unlikely, but possible. If she is still having a menstrual period, yes.
It's unlikely, but possible if the vaginal bleeding was not a true period.
It is possible, yet unlikely. Up to ten years can pass after a woman stops having her period before she is unable to have a baby.
It is very unlikely for a woman to get pregnant after having her fallopian tubes cut and burned, as this procedure is a permanent form of contraception. However, there is still a small chance of pregnancy, so it is not considered 100% foolproof.
No. Once pregnant, a woman can't get pregnant-er.
No; a woman will not ovulate if she is pregnant.
There was a documented case of a woman who became pregnant after a bullet passed through a male bystander and lodged in her pelvic area, carrying semen. Ordinarily, though, it is unlikely.
Immediately after menstruation it is possible to get pregnant. It is even possible to get pregnant during menstruation, though very very very unlikely. It is always possible for a woman to get pregnant as long as she has a healthy, pre-menopausal, post-pubescent, fully functioning uterus and is having sex with a man in a similar situation. However, women are more likely to get pregnant right before their period and less likely to unlikely to get pregnant during or after their period.
Pregnancy on the IUD is unlikely. Getting pregnant during your period is also unlikely. Taken together -- it's possible to get pregnant during your period on the IUD, but it would be a huge shock.