Effectiveness & Safety

We’ve looked high and low for a chart that shows BOTH effectiveness (how well it prevents pregnancy) AND safety, especially for the serious and life-threatening risks of blood clots. We found none!

So we had to create one ourselves.

Remember that all the barrier methods, fertility awareness methods and other non-hormonal methods are actually the safest methods but they are less effective for preventing pregnancy.

Click on the charts to enlarge


Effectiveness & Safety Chart 11:9:15

Download a pdf version here: Effectiveness & Safety Chart 11:9:15


Safety Chart

Here is the chart from the CDC.  It shows only effectiveness:


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