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In the book Your Baby’s Sex: Now You Can Choose, David Michael Rorvik and Landrum Brewer Shettles describe methods that couples can use prior to and…
LiteratureSex PreselectionSex PredeterminationFamily PlanningGenderIn 1973, Ronald Ericsson developed the Ericsson method, which is a technique used to separate human male sperm cells by their genetic material.…
TechnologySex ChromosomesGonosomesSpermSpermatozoaIn 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 ChromosomesDavid Michael Rorvik is a science journalist who publicized advancements in the field of reproductive medicine during the late twentieth century.…
Sex PreselectionScience JournalismFamily PlanningParenthoodFertilization