The second half, characterized by the higher temperatures, represents the luteal phase dominated by progesterone. Record the temperature on a chart or in an app, alongside any notes about sleep quality or illness.
Understanding the Low Baseline Phase Before Ovulation Confirmation
If you see a clear, sustained rise followed by a drop just before the next period, you have successfully confirmed ovulation. While it does not predict ovulation before it happens, the shift in your resting temperature provides definitive proof that the event has taken place, offering valuable data for those trying to conceive or simply learning about their bodies.
Look for a sustained elevation over a three-day period to confirm the ovulation date. Instead, you are looking for a distinct "thermal shift" where the temperatures stay elevated for the luteal phase.
Recognizing the Thermal Shift in a Low Baseline Phase
0°F) Ovulation Confirmed Day 15-28 Higher Range (97. Place the thermometer deep under the tongue and keep your mouth closed for the duration of the reading.
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