No, you should not be concerned. In order to use Clue Birth Control, you must be between 18-45 years old, your cycles must be between 20-40 days long that vary by 9 days or less over the last 12 cycles. Your body is not a clock and cycles vary from person to person and from cycle to cycle. For most adults not using hormonal birth control or a copper IUD, the typical length of a cycle is between 24 and 38 days. If you experience wide fluctuations or sudden changes in your cycle, it is advisable that you talk to your healthcare provider.
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