This is an excerpt from Western Civilization Condemned By Itself by Maryam Jameelah (A Jewish convert to Islam in the 1970s).
Let it be known to all that we Muslims are not excessive in being modest, that we are not ashamed of our bodies or its physical functions. Sex is a natural and necessary function like eating, sleeping and going to the washroom. But it is incompatible with human dignity unless done in private. Now there is nothing wrong with answering the calls of nature, for if the body did not rid itself of its toxic waste products, it would soon die. Therefore going to the washroom is necessary and vital to the preservation of life. But when one answers his natural calls, he does it alone behind closed doors, is careful to clean himself and wash his hands afterwards. He doesn’t talk about it or brag about it in public, or write about it (except in medical works), much less display it in pictures in books and magazines, films and on television and if that was done, it would be dirty and obscene.
Islam is opposed to celibacy and subjugating passions by self-inflicted suffering and does not regard abstinence in itself as any virtue. Every Muslim is expected to marry soon after puberty and raise a family. Sex in the context of married love and parenthood is not only necessary but a positive virtue. If husband and wife derive physical pleasure from their intimacies, this is a good thing which helps strengthen the marriage bond, for if the couple were unsatisfied, this could menace their whole relationship and shatter family life to pieces. But we also maintain that sex belongs in the bedroom – not on the street. Public displays of nudity, promiscuity, eroticism, rapes, homosexuality and sodomy we declare without reservation as filthy, disgusting and degrading and that unrepentant trangressors deserve the harshest penalties society can inflict and the wrath of God in this world and the next.