Question

which is a nsk of using a birth control pill to prevent pregnancy? it can cause discomfort and allergic reactions it requires the user to remember to take it without fail it is cheaper than other methods but less effective it can regulate a womans menstrual cycle

Explanation:

Birth control pills need to be taken daily at the same time. If a user forgets to take a pill, it can reduce the effectiveness of preventing pregnancy. Discomfort and allergic reactions are rare side - effects. Birth control pills are generally effective when taken correctly and are not necessarily cheaper than all other methods. Regulating the menstrual cycle is a benefit, not a risk.

Answer:

B. It requires the user to remember to take it without fail