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| | BabySnark - Information About Fertility |
 | | So, "basal body temperature" ("bbt") is the temperature of the body when it's at complete rest. |
 | | In other words, it is the actual temperature of the body without any other modifying factors which could raise or lower the temperature, such as moving around, eating and drinking, being in a hot car, and so on. |
 | | Progesterone is manufactured in the body from the steroid hormone pregnenolone, and is a precursor to most of the other steroid hormones, including cortisol, androstenedione, the estrogens and testosterone. |
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