im 16 and i only took Plan b one-step. do i need to take the second pill to prevent pregnancy
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Plan B One Step actually combines the two pills found in the traditional Plan B. Or, another way of putting it is that the traditional Plan B has two pills, but Plan B One Step takes the two pills and combines them into one easier-to-remember-to-take whopper of a pill. Initially, it was believed that taking such a large dose right up front might give a person a higher probability of adverse side effects; so they decided to “distribute” the hormones over two smaller doses. But then girls tended to forget to take the second pill, and so Plan B was not as effective as it was intended to be. So now, we’ve got Plan B One Step.
So … since you took the Plan B One Step (assuming you took it as quickly as possible after having unprotected sex), you should be good to go.