These are some of the most common prevention methods. It is important to know that none of them are 100% sure.
1) CONDOM
This is the most common contraceptive. It is a latex made object that disables the sperm to come into the uterus. There is a male condom that has the shape of the penis. The female one is called diaphragm and is blocks the entrance to the uterus.
2) SPERMICIDE
This kind of prevention method tends to destroy sperms before even coming in contact with the eggs. It is a chemical substance in the form of foam, jelly, cream, etc. that women introduce to their vagina.
3) MEDICINE
This contraceptive method uses a different technique. These pills contain hormones that disables the production of eggs, so that sperm doesn't have what to fertilize. It is used by women, although they are working on male pills that would do the same with the sperm.
Answer: ABSTINENCE
Explanation: By not having sex at all they will not have to worry about claire getting pregnant
