Secretory phase of endometrium is due to:
Ans. is b, i.e. ProgesteroneREMEMBERAll the effects on endometrium are due to estrogen and progesterone, not due to their urinary metabolites.So secretory endometrium is due to progesterone and don't confuse your concepts just because pregnanediol is given in the options.
Estrogen
Progesterone
Prolactin
Pregnanediol
Physiology & Histology