Of course, that's the whole purpose in making them in their millions every year.
Absolutely YES! Birth control pills only protect you from getting pregnant. Condoms, while not foolproof, will protect you from STDs.
Excellent.
Put a hole in condom.
Weed does not protect anyone from pregnancy but it can make the guy fumble with the condom. If the condom is used correctly you have zero chance of pregnancy.
Always use protection. There are many methods and you can talk them through with your doctor. And always make him wear a condom. That is the only one that protects from diseases which can be much worse then getting pregnant.
There's a 25-75 chance favoring that you would not get her pregnant. You could use a condom and not get her pregnant, or you don't use a condom and you have a chance at getting her pregnant.
there could be a possibility but it is very much rare to get her pregnant.
50/50
the probability is very small
The only "birth control" that works 100 percent is Abstinence. But a condom will help prevent it, without a condom you have a low percent of not getting pregnant.
20 percent without condom
yes.