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Leonardo da Vinci's Embryological Drawings of the Fetus
Leonardo da Vinci's embryological drawings of the fetus in the womb and his accompanying observational annotations are found in the third volume of his private notebooks. The drawings of Leonardo's embryological studies were conducted between the years 1510-1512 and were drawn with black and red chalk with some pen and ink wash on paper. These groundbreaking illustrations of the fetus reveal his advanced understanding of human development and demonstrate his role in the vanguard of embryology during the Renaissance.
Sperm capacitation refers to the physiological changes spermatozoa must undergo in order to have the ability to penetrate and fertilize an egg. This term was first coined in 1952 by Colin Russell Austin based on independent studies conducted by both Austin himself as well as Min Chueh Chang in 1951. Since the initial reports and emergence of the term, the details of the process have been more clearly elucidated due to technological advancements.
Gonzales v. Carhart (2007)
In Gonzales v. Carhart (2007), the US Supreme Court held in a five-to-four decision that the 2003 Partial-Birth Abortion Ban Act passed by the US Congress was constitutional. Although the Court previously ruled in Stenberg v. Carhart (2000) that a Nebraska law that prohibited partial-birth abortions was unconstitutional, Gonzales reversed this decision. Gonzales created the precedent that anyone who delivers and kills a living fetus could be subject to legal consequences, unless he or she performed the procedure to save the life of the mother.
Subject: Legal, Reproduction
"Congenital Cataract following German Measles in the Mother" (1941), by Norman McAlister Gregg
In Australia in the 1940s, Norman McAlister Gregg observed a connection between pregnant women who contracted the rubella virus, or German measles, and cataract formation in their children's eyes. Gregg published his findings in the 1941 article Congenital Cataract following German Measles in the Mother in Transactions of the Ophthalmological Society of Australia. In the article, Gregg analyzed seventy-eight cases of congenital cataracts and suggested that the mothers' environmental factors could cause birth defects, otherwise known as teratogenic effects.
A. Z. v. B. Z. (2000)
In A.Z. v. B.Z. (2000), the Supreme Judicial Court of Massachusetts in Boston, Massachusetts, affirmed a lower courtÕs decision, ruling that contracts that require a party to become a parent against his or her will are unenforceable and contrary to public policy. The case centered around A.Z. and B.Z., a divorced couple who had previously used in vitro fertilization (IVF) to start a family together during their marriage and had several preembryos cryopreserved as part of the process.
"The Role of Maternal Mitochondria during Oogenesis, Fertilization and Embryogenesis" (2002), by James M. Cummins
James M Cummins published 'The Role of Maternal Mitochondria during Oogenesis, Fertilization and Embryogenesis' 30 January 2002 in Reproductive BioMedicine Online. In the article, Cummins examines the role of the energy producing cytoplasmic particles, or organelles called mitochondria. Humans inherit mitochondria from their mothers, and mechanisms have evolved to eliminate sperm mitochondria in early embryonic development. Mitochondria contain their own DNA (mtDNA) separate from nuclear DNA (nDNA).
Environment and Birth Defects (1973), by James G. Wilson
Environment and Birth Defects by James Graves Wilson in the US was published in 1973. The book summarized information on the causes of malformations in newborns and aimed to acquaint policy makers with Wilson's suggestions for predicting the risks of environmental causes of birth defects, called teratogens. Wilson also provided six principles for researching teratogens, a framework revised from his 1959 article Experimental Studies on Congenital Malformations. The book has ten chapters.
Stenberg v. Carhart (2000)
In Stenberg v. Carhart, the US Supreme Court ruled on 28 June 2000 that a Nebraska law banning partial birth abortions was unconstitutional. Though the US Supreme Court case Roe v. Wade in 1973 had set a precedent that constitutionally protected abortions, some states established limitations on certain types of abortion procedures. When NebraskaÕs state government criminalized partial birth abortions, physician LeRoy Carhart challenged the constitutionality of the case. Don Stenberg, an Attorney General located in Lincoln, Nebraska, represented the state of Nebraska.
Roman v. Roman (2006)
In the case Randy M. Roman v. Augusta N. Roman (2006), the Court of Appeals of Texas followed courts in other states and upheld the validity and enforceability of in vitro fertilization (IVF) consent agreements. The Romans, a divorced couple, each sought different outcomes for their cryopreserved preembryos created during their marriage. Randy Roman sought to have them destroyed, and Augusta Roman sought to implant them in an attempt to have biological children.
Angelman syndrome is a disorder in humans that causes neurological symptoms such as lack of speech, jerky movements, and insomnia. A human cell has two copies of twenty-three chromosomes for a total of forty-six-one copy from its mother and one from its father. But in the case of Angelman syndrome, the maternal chromosome numbered 15 has a mutation or deletion in its DNA and a gene on the paternal chromosome 15 is inactivated in some parts the brain. The result is the paternal gene is silenced during development of the sperm, which is called genetic imprinting.
"Transfer of Fetal Cells with Multilineage Potential to Maternal Tissue" (2004), by Kiarash Khosrotehrani et al.
In 2004, a team of researchers at Tufts-New England
Medical Center in Boston, Massachusetts, investigated the fetal
cells that remained in the maternal blood stream after pregnancy.
The results were published in Transfer of Fetal Cells with
Multilineage Potential to Maternal Tissue. The team working on that
research included Kiarash Khosrotehrani, Kirby L. Johnson, Dong
Hyun Cha, Robert N. Salomon, and Diana W. Bianchi. The researchers
reported that the fetal cells passed to a pregnant woman during
Subject: Experiments, Reproduction
Whitner v. South Carolina (1997)
In the case Whitner v. South Carolina in 1997, the South Carolina State Supreme Court defined the concept of a child to include viable fetuses. This allowed grounds for prosecution of a pregnant womanÕs prenatal activity if those activities endangered or could potentially endanger the fetus within her. The case brought the issue of fetal rights versus pregnant womenÕs rights to light.
Subject: Legal, Reproduction
Human Fertilisation and Embryology Act (1990)
The Human Fertilisation and Embryology Act 1990 established the legal framework that governs infertility treatment, medical services ancillary to infertility treatment such as embryo storage, and all human embryological research performed in the UK. The law also defines a legal concept of the parent of a child conceived with assisted reproductive technologies.
Subject: Legal, Reproduction, Ethics
Paul Kammerer's Experiments on Salamanders (1903-1912)
In the early twentieth century, Paul Kammerer conducted a series of experiments to demonstrate that organisms could transmit characteristics acquired in their lifetimes to their offspring. In his 1809 publication, zoologist Jean-Baptiste Lamarck had hypothesized that living beings can inherit features their parents or ancestors acquired throughout life. By breeding salamanders, as well as frogs and other organisms, Kammerer tested Lamarck's hypothesis in an attempt to provide evidence for Lamarck's theory of the inheritance of acquired characteristics.
Organic Seed Growers and Trade Association's suit against Monsanto, 2012 and 2013
In March 2011 the Organic Seed Growers and Trade Association and around sixty agricultural organizations (OSGATA et al.) filed a suit against Monsanto Company and Monsanto Technology L.L.C., collectively called Monsanto. The hearings for Organic Seed Growers and Trade Association (OSGATA) et al. v. Monsanto (2012) took place at the United States District Court for the Southern District of New York in Manhattan, New York. The district court's Judge Naomi Reice Buchwald dismissed OSGATA's suit.
Paul Kammerer's Experiments on Sea-squirts in the Early Twentieth Century
In the early twentieth century, Paul Kammerer, a zoologist working at the Vivarium in Vienna, Austria, experimented on sea-squirts (Ciona intestinalis). Kammerer claimed that results from his experiments demonstrated that organisms could transmit characteristics that they had acquired in their lifetimes to their offspring. Kammerer conducted breeding experiments on sea-squirts and other organisms at a time when Charles Darwin's 1859 theory of evolution lacked evidence to explain how offspring inherited traits from their parents.
Subject: Experiments, Organisms
Hamlin Fistula Ethiopia (1974- )
Hamlin Fistula Ethiopia is a nonprofit organization that began in 1974 as a joint endeavor by Reginald and Catherine Hamlin and the Addis Ababa Fistula Hospital in Addis Ababa, Ethiopia. Hamlin Fistula Ethiopia promotes reproductive health in Ethiopia by raising awareness and implementing treatment and preventive services for women affected by obstetric fistulas. It also aims to restore the lives of women afflicted with obstetric fistulas in Ethiopia and eventually to eradicate the condition.
Subject: Organizations, Reproduction, Outreach
Oviraptor philoceratops Dinosaurs
Oviraptor philoceratops was a small bird-like dinosaur that lived about seventy-five million years ago, during the late Cretaceous period. In 1923, George Olsen of the American Museum of Natural History (AMNH) in New York City, New York, discovered the first Oviraptor fossilized skeleton on top of a dinosaur egg nest in the Gobi Desert, Mongolia. Because of the close proximity of dinosaur and nest, when Henry Fairfield Osborn president of the AMNH published on the discovery, he assumed that the Oviraptor had died attempting to steal the eggs.
Copper Intrauterine Device (IUD)
The copper intrauterine device, or IUD, is a long-term, reversible contraceptive first introduced by Howard Tatum and Jamie Zipper in 1967. Health care providers place an IUD inside a woman’s uterus to prevent pregnancy. Copper IUDs are typically made of T-shaped plastic with some portion covered with exposed copper. Prior to the invention of the first IUDs, women had few long-term options for safe and reliable birth control. Those options mostly consisted of barrier methods and the oral birth control pill, which were only effective if used correctly and consistently.
Physician Labeling Rule (2006)
In 2006, the United States Food and Drug Administration, or FDA, published the “Requirements on Content and Format of Labeling for Human Prescription Drug and Biological Products,” also called the Physician Labeling Rule, to improve the safety and efficacy of prescription drugs and drug products. Within the Physician Labeling Rule, the FDA includes a section titled “Use in Specific Populations” or Section 8, which refers to drugs used by pregnant women, lactating women, and people of reproductive capacity.
US Food and Drug Administration’s Requirements on Content and Format for Labeling for Human Prescription Drugs Rule (1979)
“Guideline for the Study and Evaluation of Gender Differences in the Clinical Evaluation of Drugs” (July 1993), by the United States Food and Drug Administration
The US Food and Drug Administration, or FDA, published the “Guideline for the Study and Evaluation of Gender Differences in the Clinical Evaluation of Drugs,” henceforth “Study of Gender Differences,” in July 1993. The document defined acceptable practices for investigators studying new drugs. Prior to 1993, investigators excluded most women from clinical trials because in 1977, the FDA recommended that anyone who could possibly become pregnant be excluded from early phase drug research to minimize risk to a potential fetus.
“Miscarriage of Medicine: The Growth of Catholic Hospitals and the Threat to Reproductive Health Care” (2013), by Lois Uttley, Sheila Reynertson, Larraine Kenny, and Louise Melling
In 2013, Lois Uttley, Sheila Reynertson, Larraine Kenny, and Louise Melling published “Miscarriage of Medicine: The Growth of Catholic Hospitals and the Threat to Reproductive Health Care,” in which they analyzed the growth of Catholic hospitals in the United States from 2001 to 2011 and the impact those hospitals had on reproductive health care. In the US, Catholic hospitals are required to abide by the US Catholic Church's Ethical Guidelines for Health Care Providers, also called the Directives.
“Misericordia et Misera” Section 12 (2016) by Pope Francis of the Catholic Church
Misericordia et Misera (Mercy with Misery) was a letter written by Pope Francis and published in Rome, Italy, on 20 November 2016. Through the letter, Pope Francis gives priests the ability to grant forgiveness for abortion. Before Pope Francis’s letter, priests had some ability to grant forgiveness for the Catholic sin of abortion, but bishops had to grant that ability to the priests individually. Prior to the letter, the official rules of the Catholic Church did not state that priests could forgive abortion-related sins.
Subject: Publications, Religion
The Food and Drug Administration’s Pregnancy and Lactation Labeling Rule (2014)
In 2014, the United States Food and Drug Administration published the Pregnancy and Lactation Labeling Rule to amend previous guidelines for the prescription of drugs for pregnant and lactating women. The 2014 Pregnancy and Lactation Labeling Rule was intended to increase the safety and efficacy of prescription drugs by making drug labels easier for physicians to understand and utilize.