Pregnin (Praegninum; list B) is a synthetic analogue of the hormone yellow body - progesterone (see Sex hormones). Unlike progesterone, pregnin is effective when administered in 5-6 times less active. Apply at disturbance of ovarian function associated with the lack of yellow body: with dysfunctional uterine bleeding, amenorrhea, oligomenoree, algomenorea. Appoint pregnin under the tongue for 10 mg, 3 times a day for 6-8 days. Higher doses: single to-0.02 g daily, 0.06 to, the Form of release: tablets 10 mg (0.01 g).

Pregnin (Praegninum; synonym: Aethisteronum, Lutocycol, Nalutron, Progestoral) is a synthetic steroid drug acting like hormone yellow body; Δ4-17-ethinyl-androsten-3-it-17-(b)-ol. Has the property to cause a transition mucous membrane of the uterus from the state of proliferation in secretory state. Active absorbed through the mucous membrane of the mouth, is available in both tablet under the tongue. Shown in violation of ovarian function with the lack of yellow body, dysfunctional uterine bleeding, amenorea, Hypo - and oligomenorea, algomenorea, premenstrual mastodinia). Appoint 10 mg 3 times day. Treatment courses on 10-15 days carried out in cycles, alternating when indicated with the appointment of oestrogen drugs. The form of release: tablets of 10 mg Cm. also hormones, Progesterone.