If you want a break from the
pill in the future, use
contraceptive foam and condoms. Never use EC. Its not 100% effective--more like 60-70%, depending on when and how you take it. If you keep taking it as you were doing, you're bound to end up pregnant at some point.
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You should consult a doctor to see if there could be any effects on a baby, but I don't think so. You took the EC, but became pregnant anyway.