Yes you can, it is always safe to use protection.
If girls MC misses & not coming then it is confirmed that she is pregnant
Yes you can when you are on your period it could triple or even have higher chances of getting pregnant
No it's not even possible to just make a baby stop coming, when a girl is already pregnant.
No, a girl can not get pregnant without the presence of sperm.
Yes.A girl can even get pregnant if the boy does pull out.
You can not get pregnant without sperm. This is basic sex education.
No.
No
no, They cant.
no of course not
Possibly
A girl can get pregnant on any day of her 28-day cycle, even on her period.