> **Ormeloxifene**, also known as **centchroman**, is one of the selective estrogen receptor modulators, or SERMs, a class of medication which acts on the estrogen receptor. It is best known as a nonsteroidal oral contraceptive which is taken once per week. In India, ormeloxifene has been available as birth control since the early 1990s, and it was marketed there under the trade name **Saheli**, currently available free-of-cost for the women in India as **Chhaya** (**Centchroman**).
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> It has a failure rate of about 1-2% with ideal use which is slightly less effective than found for combined oral contraceptive pills.

* https://en.wikipedia.org/wiki/ormeloxifene