1) Low temperatures and increasingly fertile cervical mucus in the follicular (pre-ovulatory) phase.
2) A sustained rise in temperatures confirm that ovulation occurred (1).
3) After ovulation, crankiness and sore breasts are observed, and the mystery of the achy boobs has been solved! It only happens during the luteal phase (2).
If you have any questions or concerns about your health, speak with your healthcare provider.
- Martinez, A., van Hooff, M., Schoutc, Erik., van der Meer, M., Broekmans, F., Hompes, P. (1992). The reliability, acceptability and applications of basal body temperature (BBT) records in the diagnosis and treatment of infertility. European Journal of Obstetrics & Gyneocology and Reproductive Biology, 121-127.