What temperature pattern indicates ovulation in women according to basal body temperature (BBT) data?

The pattern that indicates ovulation according to basal body temperature (BBT) data is characterized by a slight drop in temperature followed by a noticeable rise. This change is due to the hormonal fluctuations that occur during the menstrual cycle. Just before ovulation, estrogen levels peak, leading to a slight decrease in BBT. Once ovulation occurs and progesterone levels rise, the BBT will increase and remain elevated for the luteal phase of the cycle.

The timing of ovulation can be inferred from this drop and subsequent rise in temperature. The drop signals that ovulation is about to happen, while the rise indicates that ovulation has occurred. This pattern is a reliable indicator for many women tracking ovulation for conception or other reproductive health purposes.