Hormone Thozhi on Instagram: "Basal Body Temperature (BBT) is a key tool in understanding and optimizing fertility. Measuring your body’s resting temperature first thing in the morning can provide valuable insights into your menstrual cycle and ovulation patterns. 1.Identifying Ovulation BBT helps detect ovulation by tracking subtle temperature changes. Before ovulation, estrogen keeps your temperature slightly lower. After ovulation, progesterone raises it by about 0.2–0.5°C (0.4–1°F). This shi