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Spermism was one of two models of preformationism, a theory of embryo generation prevalent in the late seventeenth through the end of the eighteenth…
SpermatozoaSpermOvaPreformationism was a theory of embryological development used in the late seventeenth through the late eighteenth centuries. This theory held that…
OvaSpermJohn Spangler Nicholas, an American biologist, was born on 10 March 1895 in Allegheny, Pennsylvania. He was the only child of Elizabeth Ellen…
PeopleBiographyMammalsAmphibiansMarie Stopes International (MSI) is a not-for-profit organization based in the United Kingdom that promotes reproductive and sexual health. It grew…
Organizationpublic healthOrganizationsReproductionReproductive RightsThe Mothers' Clinic for Constructive Birth Control was established on 17 March 1921. The first family planning clinic ever established in Great…
OrganizationContraceptionOrganizationsReproductionReproductive RightsMarie Charlotte Carmichael Stopes was born in Edinburgh, Scotland, on 15 October 1880 to Charlotte Carmichael Stopes, a suffragist, and Henry Stopes…
Peoplepublic healthethicsReproductionBiographyAmniocentesis is a test used for prenatal diagnosis of inherited diseases, Rh incompatibility, neural tube defects, and lung maturity. Normally…
AmniocentesisReproductionFetusArizona joined the majority of states that recognized wrongful death claims on behalf of a viable fetus, regardless of whether the child was born…
LawFetusReproduction