| Re: GF is on Yaz, Will Plan B pill affect her body if taken?
If she is late taking a pill, she should read the instructions that come with her pill to be sure to do what she's supposed to do. In some cases, one day late does not require any action and taking plan b is unnecessary.
Considering how big a hormone dose Plan B is, I would expect her body to have some reaction to it, like it messing up her cycle.
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