Yes; in fact it's fairly likely, since 1-2 weeks before menstruation is when ovulation occurs.
This is nature, anything is possible but you do need an egg.
Almost always.
You can know the pregnancy status before the due date of periods. It is expensive. There is no advantage to know it before ten days of missed periods.
No, it wont be accurate until 14 days after intercourse.
Yes, but only if you ask this question before engaging in sexual intercourse.
1-2 weeks.
Oral sex cannot result in pregnancy. However, if there was unprotected intercourse beforehand, some semen may have leaked out before orgasm. Some girls also have irregular periods due to stress -- which can be caused by thinking she is pregnant. Best advice, get a pregnancy test.
late periods is not the sign of pregnancy but no period is. enlarged breast are signs seen before periods.
There is a small risk of pregnancy.
You can perform a urine pregnancy test 2-3 weeks after intercourse. You can perform a blood test to determine pregnancy 5-7 days after intercourse.
Yes, it is. It won't do anything more than it may have before you got pregnant.
Avoiding pregnancy means you have to stop it before it happens and that is done by birth control.Or you could abstain from sexual intercourse as a more certain way.