30-B3.2sts 

explain why decisions regarding the application of scientific and technological development involve a variety of perspectives, including social, cultural, environmental, ethical and economic considerations (SEC4b); e.g. • assess the use of technologies such as ultrasound, chorionic villus sampling (CVS), amniocentesis and a fetal heart rate monitor in monitoring fetal development      •assess the effects of a conception control technology on population demographics in developed and developing countries      •discuss how knowledge of embryonic/fetal development has influenced the value that society places on human life      •discuss the societal impact of environmental contaminants (such as polychlorinated biphenyls [PCBs], heavy metals, dioxins and furans) and teratogens.