Progesterone: is made in the ovaries after ovulation. This hormone prepares the uterus for a fertilized egg. If there are no eggs to be implanted then the Progesterone level drops causing a shedding of the lining of the uterus (menstrual period). Progesterone is one of the 2 main hormones (the other being estrogen) produced each month by the ovaries of menstruating women (and is produced in smaller amounts by the adrenals). .
Other functions of progesterone:
Symptoms of progesterone deficiency:
In women, FSH is often requested in conjunction with other tests (such as LH, testosterone, estradiol, and progesterone) in the assessment of infertility. FSH levels are useful in the investigation of menstrual irregularities and to aid in the diagnosis of pituitary disorders or diseases involving the ovaries.