ALLYLOESTRENOL (Gestanin®) is a progestogen structurally related to progesterone that has been given in threatened and habitual abortion, and to prevent premature labour. However, with the exception of proven progesterone deficiency, such use is no longer recommended.
Generic drug (pl. generic drugs, short: generics) is a drug which is produced and distributed without a brand name. A generic must contain the same active ingredients as the original formulation. In most cases, it is considered bioequivalent to the brand name counterpart with respect to pharmacokinetic and pharmacodynamic properties.