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Adolf Ziegler

The scientific field of embryology experienced great growth in scope and direction in Germany from approximately 1850 to 1920. During this time,…

Neural Tube Defects (NTD): Folic Acid and Pregnancy

In the US, one in 1000 births is affected by neural tube defects (NTD). A neural tube defect is a birth defect involving the malformation of body…

Planned Parenthood v. Danforth (1976)

On 1 July 1976, the US Supreme Court decided in the case Planned Parenthood v. Danforth that provisions of a Missouri law regulating abortion care…

Evangelium Vitae (1995), by Pope John Paul II

The encyclical entitled "Evangelium Vitae," meaning "The Gospel of Life," was promulgated on 25 March 1995 by Pope John Paul II in Rome, Italy. The…

Victor Jollos (1887-1941)

Victor Jollos studied fruit flies and microorganisms in Europe and the US, and he introduced the concept of Dauermodifikationen in the early 1900s.…

Retinoids As Teratogens

Vitamin A (retinol) is an essential vitamin in the daily functioning of human beings that helps regulate cellular differentiation of epithelial…

2D Obstetric Ultrasound

The development of the obstetric ultrasound has allowed physicians and embryologists to obtain a clear picture of the developing human embryo and…

Etienne Geoffroy Saint-Hilaire (1772-1844)

Etienne Geoffroy Saint-Hilaire, commonly known as Geoffroy, studied animals, their anatomy and their embryos, and teratogens at the National Museum…

"Effects of Social Support During Parturition on Maternal and Infant Morbidity” (1986), by Marshall Klaus, John Kennell, Steven Robertson, and Roberto Sosa

Lennart Nilsson (1922- )

Lennart Nilsson is a world-renowned photojournalist recognized for his exploratory images of the inside of the human body. Throughout his career,…