more than sex by unmarried persons, extramarital sex may be regarded as immoral or sinful by some, and referred to as adultery, infidelity or "cheating", while some cultures, groups or individuals regard extramarital sex as acceptable. Non-monogamy Monogamy, especially in Christian societies, is widely regarded as a norm, and polygamy is deprecated. Even within polygamous societies, polyandry is regarded as unacceptable. Today, the practice, especially in Western cultures, of polyamory or open marriage raises ethical or moral issues. Individuals and societies Most societies disapprove of a person in a position of power to engage in sexual activity with a subordinate. This is often considered unethical simply as a breach of trust. When the person takes advantage of a position of power in the workplace, this may constitute sexual harassment, because subordinates may be unable to give proper consent to a sexual advance because of a fear of repercussions. Child-parent incest is also seen as an abuse of a position of trust and power, in addition to the inability of a child to give consent. Incest between adults may not involve this lack of consent, and is, therefore, less clear-cut for most observers. Many professional organizations have rules forbidding sexual relations between members and their clients. Examples in many countries include psychiatrists, psychologists, therapists, doctors, and lawyers. In addition, laws exist against this kind of abuse of power by priests, preachers, teachers, religious counselors, and coaches. Public health In countries where public health is considered a public concern, there is also the issue of how sex impacts the health of individuals. In such circumstances, where there are health impacts resulting from certain sexual activities, there is the question of whether individuals have an ethical responsibility to the public at large for their behavior. Such concerns might involve the regular periodic testing for sexually transmitted diseases, disclosure of infection with sexually transmitted diseases, responsibility for taking safer sex precautions, ethics of sex without using contraception, leading to an increased level of unplanned pregnancies and unwanted children, and just what amount of personal care an individual needs to take in order to meet his or her requisite contribution to the general health of a nation's citizens. Moving forward there is going to be more restrictions on conscription with the global population exponentially increasing like it is. In China there is a two-child policy, and before that they had a one-child policy which was