Used primarily in the metric system, this prefix denotes a factor of 10â9 or 0.000000001. It is frequently encountered in science and electronics for prefixing units of time and length, such as 29 nanoseconds, 100 nanometres or in the case of electrical capacitance, 100 nanofarads.ano- (pref.). A prefix meaning one-billionth; as, a nanogram is one-thousandth of a microgram. nano- (pref.). Very small; submicroscopic; -- used to designate sizes smaller than those that would be referred to as micro-; as, nanoscale manipulations.
The normal range of estrogen varies depending upon the patient's age. Typically a women aged 20 to 29 will have an average level of 149 pg/ml (pictograms per milliliter). A female aged 30 to 39 will average a level of 210 pg/ml.
In childhood the level of both hormones, FSH and LH are low. On the other hand in menopausal women the level of these hormones is quite high. During reproductive years optimal level of LH ranges from 1 to 20 IU/L. Increased levels of LH may occur and this lasts no longer than 48 hours.Optimal range of FSH is between 3 mIU/ml and 10 mIU/ml.n childhood the level of both hormones, FSH and LH are low. On the other hand in menopausal women the level of these hormones is quite high. During reproductive years optimal level of LH ranges from 1 to 20 IU/L. Increased levels of LH may occur and this lasts no longer than 48 hours.