How To Detect Ovulation With Bbt
The most common factors that affect bbt include fever infections colds medications alcohol smoking stress travel and breastfeeding.
How to detect ovulation with bbt. Your basal body temperature is the lowest body temperature attained during rest usually after sleep. Detecting ovulation with basal body temperature bbt charting is relatively easy and inexpensive. But such a drop doesn t always happen. When the basal body temperature bbt drops by 0 2 0 4 c or 0 36 0 72 f this would indicate ovulation occurrence in about 12 48 hours.
Detecting ovulation using your basal body temperature chart unfortunately you can t foresee in advance ovulation by tracking your bbt but you can confirm that it has happened. Urine test kits to measure luteininzing hormone lh levels. Learn how your temperature changes during your cycle and how you can use this information to detect ovulation. Ovulation predictor kits which detect the lh hormone surge may be accurate just 60 percent of the time.
They found that basal body temperature charting correctly predicted the exact day of ovulation only 43 percent of the time. There are several ways to detect ovulation including urine test kits to measure lh levels transvaginal ultrasound endometrial biopsy blood tests to measure hormone levels and the basal body temperature bbt chart. Your gynecologist or reproductive endocrinologist may recommend charting to help detect when ovulation is happening or to get a better idea of your menstrual cycle patterns. In addition to stimulating the growth of the uterine lining progesterone also causes your bbt to rise 1 your bbt hits a nadir a few days before you ovulate but many women are unable to detect this in their charts your bbt rises after ovulation and stays elevated until just before your next period.
Monitoring your basal body temperature bbt is the easiest cheapest and the most affordable way to detect ovulation. Approximately one to two days after ovulation a woman s bbt will rise slightly and stay higher for at least 10 days. The bbt is a base temperature normally measured in the morning after having at least 3 4 hours of sleep rest before any physical activity. Various factors can influence the results of your basal body temperature making it more difficult to detect the time of ovulation.
Once you have 2 or more months of charts to review predicting ovulation for your next cycle will become easier because you ll begin to notice which day of your cycle is your ovulation day based on your thermal shift. You ll need to use a digital bbt thermometer a special type of thermometer that tracks temperature changes to a tenth of a degree to take your temperature every morning before you do anything else and log the results on a paper chart or in an app. Charting is an easy and effective way to identify changes in your cycle. How do you use a bbt chart to detect ovulation.
Several ovulation prediction tests are available at drug stores.