Rise in BBT after ovulation is by :

Ans:A.)0.5 degree Fahrenheit. Before ovulation, there is only a small amount of progesterone present in your body and your basal body temperatures (your resting temperatures) are in the lower range. After ovulation, when there is increased progesterone secreted from the corpus luteum, temperatures become elevated. The temperature elevation that occurs after ovulation is sufficient to be measured with a BBT thermometer . The rise in temperature is usually about 0.4 degrees Fahrenheit or 0.2 degrees Celsius.