If the missed period and BBT is elevated for 16 days or more, this is a sign of pregnancy, even if the test is negative (BFN). Normally, an increase in BBT by 0.3-0.5° C (0.54-0.9° F) in relation to the
Why is BBT rising after ovulation (+pregnant charts!)
It is normal if the basal body temperature rises after ovulation by 0.3 to 0.5 °C or 0.54–0.9 °F. The increase in BBT is also natural in the case of a successful conception, after implantation or during the proposed menstruation.
The basal body temperature drop (Interpretation & charts!)
The basal body temperature can drop before (a rise in estrogen) and after ovulation. In the second case, a decrease in BBT occurs due to implantation of the embryo, with hormonal imbalance, or before the beginning of the period. During
Basal Body Temperature measuring (rectal, oral or vaginal?)
This article describes how to measure basal body temperature (BBT). It gives instructions on taking BBT measurements rectally, orally and vaginally. What are the features of each method? And also how to choose the best measurement method. The oral method
Glass vs electronic thermometer for BBT measuring (+Tips!)
To measure basal body temperature, both glass (mercury, mercury free) and electronic thermometers are suitable. The first type is more accurate and easy to care for, the second – is more modern, faster and does not require time control. What
Is the basal body temperature in IVF informative or not?
What should be the basal body temperature in IVF by days? Is there any peculiarity in BBT indices during Frozen Embryo Transfer (FET)? Should the basal body temperature be measured at IVF? As well as an example of a successful
BBT at Different times (+5 impact Factors!)
Basal body temperature (BBT) measurements shall be taken ONLY in the morning on waking. The BBT during the day and in the evening is always increased on several tenths of degree, thus is not informative. In order to obtain exact
How to calculate the ovulation with BBT? (+Examples!!!)
The basal body temperature is the body temperature at rest, in the morning just after waking up. Its indicators during a monthly cycle change is in accordance with estrogen and progesterone fluctuations in a woman’s body. If there is ovulation,
The normal BBT in the absence of pregnancy (+Charts!)
The normal basal body temperature (BBT) of a non-pregnant woman varies depending on the phase of the menstrual cycle. In the first phase, before ovulation, it is lower in relation to the second phase (after the release of an egg)
Determining ovulation by Basal Body Temperature (Works!)
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. But such a drop doesn’t always happen. The BBT growth starts immediately after the egg release, and in