How Does Charting Basal Body Temperature Work?
Two to three days prior to the onset of ovulation, a womans normal basal body temperature increases due to hormonal changes that occur during this stage of a womans menstrual cycle. Just before ovulation, BBT levels increase from between 0.5 degrees to 1.6 degrees; this increase in basal body temperature continues to stay elevated until a woman begins to menstruate. If pregnancy occurs, BBT levels remain elevated throughout the pregnancy On average, a womans basal body temperature is from between 97.2 to 97.7 degrees prior to ovulation; however, it is normal for women to experience similarly elevated basal body temperatures on other days during their cycle. However, these increases are generally short term and therefore do not usually signal ovulation. How Do I Use the Basal Body Temperature Test Method? For this at home female fertility test, you use a simple thermometer in order to chart your BBT. It is helpful to chart your BBT for a period of a few months so that you can determine