Opponents of sex education contend that children are not mentally and emotionally ready for this type of instruction, and believe that exposing the young to sex ed programs may foster the students with the preoccupation of sex. Planning for Implementation Advocates of sexuality education are not only focused on building the case for sound programs, but also on how to make these programs work on the ground. According to the study, between and , after the introduction of sexuality education in Estonia, there were significant improvements in adolescent sexual and reproductive health: Young people are spending more of their adolescence in school, but many—especially girls—never make it beyond primary school. Moreover, sexuality education programs need to be accompanied by quality sexual and reproductive health services, where youth can access contraceptives and condoms. Working definitions Sex Sex refers to the biological characteristics that define humans as female or male. They are weighing what is possible, considering both the political realities and context, and are taking a close look at the evidence for different approaches. It did not receive a hearing. New Zealand[ edit ] In New Zealand, sexuality education is part of the Health and Physical Education curriculum, which is compulsory for the first ten years of schooling Years 1 to 10 but optional beyond that. LGBT sex education One major source of controversy in the realm of sex education is whether LGBT sex education should be integrated into school curricula. They are likely to have widespread access to the radio and television and, increasingly, to the Internet and mobile phones. School districts may also want to consider bringing in health and sexuality education experts to teach specific topics and supplement in-school programs. The responsible exercise of human rights requires that all persons respect the rights of others.