Allylestrenol, a synthetic sexualsteroid, is used worldwide in case of endangered pregnancies.
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Allylestrenol is a steroid. It derives from a hydride of an estrane.|A synthetic steroid with progestational activity. It is widely marketed throughout Europe, including Russia and many other European countries, and is also available in Japan, Hong Kong, India, Bangladesh, Indonesia, and much of Southeast Asia, though notably not in the United States or Canada.|A synthetic steroid with progestational activity.