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By 2011, researchers in the US had established that non-invasive blood tests can accurately determine the gender of a human fetus as early as seven…
ContextDiagnostic sex determinationSex PreselectionFetusSex Determination AnalysisIn 2008 researchers Daniel Warner and Richard Shine tested the Charnov-Bull model by conducting experiments on the Jacky dragon (Amphibolurus…
ExperimentsSex DifferentiationReproductionAdaptationfetal developmentIn the 1960s in the United States Landrum B. Shettles developed the Shettles method, which is a procedure for couples to use prior to and during an…
TechnologySex PreselectionSex PredeterminationFamily PlanningSex ChromosomesMultiple theories about what determines sex were tested at the turn of the twentieth century. By experimenting on germ cells, cytologist Nettie Maria…
PeopleHeredityReproductionBiographyThe 1981 Adolescent Family Life Act, or AFLA, is a US federal law that provides federal funding to public and nonprofit private organizations to…
Sexual AbstinenceSexual abstinence--Religious aspects--Catholic ChurchSexual abstinence--Religious aspectsSexual abstinence--Religious aspects--ChristianityChurch schools--Law and legislation--United StatesIn 1904, physician William Henry Walling published Sexology, a family medicine reference book. In his book, Walling proposed that his guidance would…
LiteratureMasturbationCoitus interruptusSexSexologyA designer baby is a baby genetically engineered in vitro for specially selected traits, which can vary from lowered disease-risk to gender selection…
ethicsReproductionReproductive RightsGenetic EngineeringEugenicsPhalloplasty is a type of surgery that takes existing skin, tissue, and nerves from surrounding areas on a patient’s body to repair or form a…
TechnologyPhalloplastyGender Reassignment SurgeryGender transitionSurgery, PlasticIn 2005, the organization Asian Communities for Reproductive Justice, or ACRJ, published “A New Vision for Advancing Our Movement for Reproductive…
LiteratureReproductive RightsReproductive Health ServicesReproductive HealthCommunication in reproductive healthIn 1950, physician and researcher Ernst Gräfenberg published “The Role of Urethra in Female Orgasm,” in the International Journal of Sexology. The…
LiteratureFemale orgasmG spotFrigidity (Psychology)Urethra