endometrial histology and plasma levels of follicle-stimulating hormone ( fsh ) , luteinizing hormone ( lh ) , 17 beta-oestradiol ( e2 ) , oestrone ( e1 ) and progesterone ( p ) were studied in 483 women over a period of 13 yr ( 6 yr before and 7 yr after the start of definitive amenorrhoea , defined as the last menstrual bleeding ) .
C0033308
progesterone
C0002453
amenorrhoea