This is from the Post-meno HRT preparations section of the menu on the left:-When there are steady levels of estrogen and progestogen from daily administration of both, the womb lining stays thin. Although some bleeding in the first 6 months of therapy is common, there should not be bleeding after that and the lining does not go through the stages of stimulation and then shedding as it does during a normal cycle and with sequential therapy.
Bette x