in evoluating sec/amenorrhoea if pregnency test is -ve?
1.prolactin
2.TSH
2.rule ou hypOthyroidism.
Purine:
what is the mechanism again, that is behind Hypothyroidism and Amenorrhea?
elevated levels of TRH n TSH cause hyperprolactinemia which in turn leads to amenorrhea via GnRh inhibition further inhibiting FSH n LH
incresed TRH stimulates prolactin secretion
is it GnRH or LHRH inhibition in hyperprolactinaemia?
GnRH inhibition by elevated prolactin