FSH may be ordered when a woman's menstrual cycle has stopped or become irregular, to determine if the woman is entering menopause.
You need to see a new doctor if he insists that you can't be menopausal yet. I'm 45 and menopausal. It's going on about 7 months with no period and yes, I too have had times when I "felt" my period was coming, and nothing happened.
"The joys of it all" about sums it all up....