How To Determine Ovulation With Temperature
Even a relatively benign cold can mess with your bbt charting.
How to determine ovulation with temperature. If you want to determine when in your cycle you ovulate tracking your basal body temperature bbt is a good starting point. The basal body temperature method can also be used to detect pregnancy. If you re trying to get pregnant you can track your basal body temperature to estimate when you ll ovulate and determine the best days to have sex or be inseminated. Your temperature rise may be sudden gradual or in steps.
For greater accuracy you can combine tracking your bbt with. There is no bbt drop before ovulation and after ovulation the temperature sharply goes up. Following ovulation a rise in basal body temperature that lasts for 18 or more days may be an early indicator of pregnancy. When trying to determine your ovulation status using either of the two methods it is a good idea to keep a chart that records your basal body temperature and cervical mucus changes so that you can determine your most fertile days and can help you get pregnant.
Illness stress or difficulty sleeping. During ovulation your body releases the hormone progesterone which brings on a slightly raised temperature a day or two later usually by 0 5 degrees. It s the temperature of your body when you re at rest. The pattern may vary from cycle to cycle.
Typically bbt increases slightly right after you ovulate. After analyzing the bbt chart we can surely determine that ovulation has already occurred provided that the measurements had been taken correctly. Charting this temperature over the course of your menstrual cycle is an inexpensive low tech way to help determine if you re ovulating says gregory fossum m d director of the division of reproductive endocrinology and infertility in the department of ob gyn at jefferson medical college thomas jefferson university philadelphia. The basal body temperature method is often combined with another method of natural family planning such as the cervical mucus method.
By charting the differences in one tenth degree increments you can determine when ovulation has taken. In women bbt follows a biphasic pattern throughout the menstrual cycle that is it s lower in the first half of the cycle. If sinus congestion forces you to sleep with your mouth open for example your temperature may be thrown off. After ovulation the cervix becomes firmer lower and closed or partially closed.
Also poor sleeping habits can skew the results. Bbt is the lowest temperature your body reaches in a 24 hour period.