It acts on the endometrium by converting the proliferative phase induced by oestrogen to a secretory phase. It inhibits the secretion of pituitary gonadotropins, which in turn presents follicular maturation and ovulation.
What does norethisterone do to the body?
Norethisterone Period Delay Treatment
Norethisterone is a synthetic and potent progestogen hormone which stops uterine bleeding. It also has some androgenic effects and some weak oestrogenic activity. Naturally occurring progestogens are the hormones that maintain the lining of the uterus.
Do you get a period with norethindrone?
If you take norethindrone at the same time each day in the dose prescribed by your clinician, your menstrual bleeding should become less and it may stop completely. Some people on norethindrone continue to have monthly periods but the periods should be lighter and shorter.