Choose the correct combination of labelling in the hormonal control of female reproductive system.
(A) a = GnRH, b = STH, c =LH, d = uterus
(B) a = GnRH, b = FSH/LH, c = estrogen or progesterone, d = uterus
(C) a = GnRH, b = TSH, c = LTH, d = uterus
(D) a = GnRH, b = ACTH, c = LH, d = uterus
