Usually day 3 of your donor’s menstrual cycle your IVF doctor will order various hormone tests.  The typical tests are FSH, LH, Estrogen.  A newer test, anti-Mullerian hormone (AMH) may be ordered as those levels are useful in predicting ovarian reserve (basically how many eggs can be expected to be retrieved).  For a more in-depth look at the definitions and functions of the hormones involved in reproduction, please visit our Articles & Videos.