Natural Cycles

This app is the first app of its kind to be FDA Cleared and CE Marked. Most other fertility apps assume your cycle is 28 days long. This means the fertile window they give you is not tailored to you. Natural Cycle’s algorithm significantly reduces the risk of you being assigned an incorrect fertile day as it uses your personal data. This reduces the risk of unwanted pregnancy, or can help you plan pregnancy with greater precision.

Simply measure your temperature every morning, enter the results into the app, and start tracking your cycle! Watch the app give you green days or red days depending on your goal (plan a pregnancy or prevent one)

The effectiveness of Natural Cycles is supported by clinical evidence, which shows a typical use effectiveness rate of 93% and a perfect use effectiveness of 98%. You may not see typical results if you have PCOS, do not measure every day, or have fertility issues.

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