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The Impact of the Safe Motherhood Initiative from 1987 to 2000
In 1987, the World Health Organization, or WHO, took action to improve the quality of maternal health around the world through the declaration of the Safe Motherhood Initiative, or the SMI, at an international conference concerning maternal mortality in Nairobi, Kenya. Initially, the SMI aimed to reduce the prevalence of maternal mortality around the world, as over 500,000 women died during pregnancy and childbirth annually at the time of its inception, while about 98 percent of those deaths occurred in low-income countries.
Format: Articles
Subject: Organizations, Reproduction
Cervarix HPV Vaccination Series
In 2011, United Kingdom pharmaceutical company GlaxoSmithKline released Cervarix, a vaccination series protecting girls and women from two strains of Human Papillomavirus, or HPV. HPV, a sexually transmitted infection, can present in men and women without symptoms, or may cause symptoms such as genital warts. There is a link between HPV and cervical, vaginal, anal, head, neck, and face cancers, and Cervarix can reduce genital cancers in girls and women, particularly cervical cancer.
Format: Articles
Subject: Technologies
Leonard Colebrook (1883–1967)
Leonard Colebrook was a physician who researched bacteria and infections in England during the twentieth century. In 1936, Colebrook deployed the antibiotic Prontosil to treat puerperal fever, a disorder that results from bacterial infections in the uterine tracts of women after childbirth or abortions. Colebrook also advanced care for burn patients by advocating for the creation of burn units in hospitals and by using antisepsis medication for burn wound infections. Colebrook’s work on treatments for puerperal fever reduced cases of puerperal fever throughout the world.
Format: Articles
Subject: People
Dizhou Tong (1902-1979)
Dizhou Tong, also called Ti Chou Tung, studied marine animals and helped introduce and organize experimental embryology in China during the twentieth century. He introduced cellular nuclear transfer technology to the Chinese biological community, developed methods to clone organisms from many marine species, and investigated the role of cytoplasm in early development. Tong's administrative and scientific leadership in the fields of marine, cellular, and developmental biology contributed to China's experimental embryology research programs.
Format: Articles
Subject: People
Mammography
Mammography or mastography is an imaging technology used in the twentieth century for the detection of breast cancer and other breast abnormalities. Breast cancer is an abnormal growth in breast tissue that can spread to other parts of the body and cause death. Breast cancer affects about twelve percent of women worldwide. In the twenty-first century, mammography is one of the most accurate tools for screening and diagnosing breast cancer.
Format: Articles
Subject: Technologies
“Abstinence Education: Assessing the Accuracy and Effectiveness of Federally Funded Programs” (2008), by Government Accountability Office
On 23 April 2008, the US Government Accountability Office, or GAO, released a report titled, “Abstinence Education: Assessing the Accuracy and Effectiveness of Federally Funded Programs,” hereafter “Abstinence Education,” in which it investigated the scientific accuracy and effectiveness of abstinence-only education programs sanctioned by individual states and the US Department of Health and Human Services, or HHS. GAO is a government agency whose role is to examine the use of public funds, evaluate federal programs and activities, and provide nonpartisan support to the US Congress.
Format: Articles
Subject: Legal, Reproduction, Publications
Camillo Golgi's Black Reaction for Staining Neurons
In 1873 Italy, Camillo Golgi created the black reaction technique, which enabled scientists to stain and view the structure of neurons, the specialized cells that compose the nervous system. During the nineteenth century, scientists were studying cells and proposed cell theory, which describes the basic characteristics of cells as fundamental units of life. However, cell theory struggled to explain neurons as they are specialized cells and more complex in structure than cells of other tissues.
Format: Articles
Subject: Technologies
The Carapacial Ridge of Turtles
Two main elements characterize the skeletal morphology of turtles: the carapace and the plastron. For a turtle, the carapacial ridge begins in the embryo as a bulge posterior to the limbs but on both sides of the body. Such outgrowths are the first indication of shell development in turtle embryos. While the exact mechanisms underpinning the formation of the carapacial ridge are still not entirely known, some biologists argue that understanding these embryonic mechanisms is pivotal to explaining both the development of turtles and their evolutionary history.
Format: Articles
Subject: Processes
"A molecular wound response program associated with regeneration initiation in planarians" (2012), by Danielle Wenemoser et al.
In 2012, a team of scientists across the US conducted an experiment to find the mechanism that allowed a group of flatworms, planarians, to regenerate any body part. The group included Danielle Wenemoser, Sylvain Lapan, Alex Wilkinson, George Bell, and Peter Reddien. They aimed to identify genes that are expressed by planarians in response to wounds that initiated a regenerative mechanism. The researchers determined several genes as important for tissue regeneration.
Format: Articles
Subject: Experiments
The Formation of Reticular Theory
In the nineteenth century, reticular theory aimed to describe the properties of neurons, the specialized cells which make up the nervous system, but was later disconfirmed by evidence. Reticular theory stated that the nervous system was composed of a continuous network of specialized cells without gaps (synapses), and was first proposed by researcher Joseph von Gerlach in Germany in 1871.
Format: Articles
Subject: Theories
Hysterectomy
A hysterectomy is the surgical removal of a woman's uterus. For many women, a hysterectomy comes as a solution to health problems as diverse as abnormal bleeding to reproductive cancers. First performed in the early 1800s, this procedure has evolved in terms of both technique and popularity. The first successful abdominal hysterectomy was performed by Ellis Burnham in Lowell, Massachusetts, in 1853, although earlier attempts were made in the 1840s.
Format: Articles
Subject: Technologies, Reproduction
Lap-Chee Tsui (1950-)
Lap-Chee Tsui is a geneticist who discovered the cystic fibrosis (CF) gene, and his research team sequenced human chromosome 7. As the location of the cystic fibrosis gene is now known, it is possible for doctors and specialists to identify in human fetuses the mutation that causes the fatal disease. Tsui's research also outlined the mechanisms for the development of cystic fibrosis, which were previously unknown.
Format: Articles
Subject: People, Reproduction
Berman v. Allan (1979)
The Supreme Court of New Jersey decided the case of Berman v. Allan on 26 June 1979, brought by Shirley Berman and Paul Berman and their daughter Sharon Esther Berman against Ronald Allan and Michael Vincent Attardi, Shirley's physicians. The court dismissed the Bermans' claims for what they termed wrongful life of their daughter, but allowed them to claim compensation as a result of what was termed wrongful birth.
Format: Articles
Subject: Legal, Reproduction
Sir Graham Collingwood Liggins (1926-2010)
Sir Graham Collingwood Liggins devoted much of his professional life to obstetric research. Liggins demonstrated that hormones created by the fetus helped initiate labor, rather than hormones originating solely from the mother. Liggins also discovered that cortisol given to pregnant mothers helped delay premature labor, and that it increased the likelihood that premature infants would breathe normally after birth. Prior to cortisol treatment, premature infants often died of respiratory distress syndrome characterized by the inability to inflate immature lungs.
Format: Articles
Subject: People, Reproduction
VACTERL Association
VACTERL association is a term applied to a specific group of abnormalities involving structures derived from the mesoderm. Although the defects of this disorder are clearly linked, VACTERL is called an association rather than a syndrome because the exact genetic cause is unknown. "VACTERL" is an acronym, each letter standing for one of the defects associated with the condition: V for vertebral anomalies, A for anal atresia, C for cardiovascular anomalies, T for tracheoesophageal fistula, E for esophageal atresia, R for renal anomalies, and L for limb defects.
Format: Articles
Subject: Disorders
Tissue Engineering
Tissue engineering is a field of regenerative medicine that integrates the knowledge of scientists, physicians, and engineers into the construction or reconstruction of human tissue. Practitioners of tissue engineering seek to repair, replace, maintain, and enhance the abilities of a specific tissue or organ by means of living cells. More often than not stem cells are the form of living cells used in this technology. Tissue engineering is one of the disciplines involved in translating knowledge of developmental biology into the clinical setting.
Format: Articles
Subject: Processes
Hematopoietic Stem Cell Transplantation
The purpose of regenerative medicine, especially tissue engineering, is to replace damaged tissue with new tissue that will allow the body to resume normal function. The uniqueness of tissue engineering is that it can restore normal structure in addition to repairing tissue function, and is often accomplished using stem cells. The first type of tissue engineering using stem cells was hematopoietic stem cell transplantation (HSCT), a surgical procedure in which hematopoietic stem cells (HSCs) are infused into a host to treat a variety of blood diseases, cancers, and immunodeficiencies.
Format: Articles
Subject: Technologies
Stem Cell Tourism
When James Thomson of the University of Wisconsin announced in 1998 that he had derived and cultured human embryonic stem cells(hESCs), Americans widely believed-and accepted-that stem cells would one day be the basis of a multitude of regenerative medical techniques. Researchers promised that they would soon be able to cure a variety of diseases and injuries such as cancer, diabetes, Parkinson's, spinal cord injuries, severe burns, and many others. But it wasn't until January 2009 that the Food and Drug Administration approved the first human clinical trials using hESCs.
Format: Articles
Pre- and Post-natal Growth Deficiencies and Fetal Alcohol Syndrome
Maternal consumption of alcohol (ethanol) during pregnancy can inhibit prenatal growth, resulting in fetuses that are small for gestational age. Those prenatal growth deficiencies can have lasting consequences for early childhood development and are often reflected by low weight and stature. Those alcohol-induced pre- and post-natal growth deficiencies ("failure to thrive") are among the abnormal developmental criteria used to identify Fetal Alcohol Syndrome (FAS). FAS is characterized by minor facial abnormalities and deficiencies of the central nervous system as well.
Format: Articles
Subject: Disorders
Hematopoietic Stem Cells
The discovery of hematopoietic stem cells (HSCs) provided a pioneering step in stem cell research. HSCs are a type of multipotent adult stem cell, characterized by their ability to self-renew and differentiate into erythrocyte (red blood cell) and leukocyte (white blood cell) cell lineages. In terms of function, these cells are responsible for the continual renewal of the erythrocytes, leukocytes, and platelets in the body through a process called hematopoiesis. They also play an important role in the formation of vital organs such as the liver and spleen during fetal development.
Format: Articles
Subject: Processes
Gunther von Hagens' Plastination Technique
Plastination is a technique for preserving tissues, organs, and whole bodies for medical purposes and public display. Gunther von Hagens invented a form of the method in 1977 at Heidelberg University in Heidelberg, Germany after observing medical students struggle working with cadavers that quickly decomposed. Von Hagens' body models, referred to as plastinates, have since become widely used educational tools not only for those studying anatomy and medicine, but also for the general public.
Format: Articles
Subject: Technologies
"On the Permanent Life of Tissues outside of the Organism" (1912), by Alexis Carrel
'On the Permanent Life of Tissues outside of the Organism' reports Alexis Carrel's 1912 experiments on the maintenance of tissue in culture media. At the time, Carrel was a French surgeon and biologist working at the Rockefeller Institute in New York City. In his paper, Carrel reported that he had successfully maintained tissue cultures, which derived from connective tissues of developing chicks and other tissue sources, by serially culturing them.
Format: Articles
Subject: Experiments
The Silent Scream (1984), by Bernard Nathanson, Crusade for Life, and American Portrait Films
The Silent Scream is an anti-abortion film released in 1984 by American Portrait Films, then based in Brunswick, Ohio. The film was created and narrated by Bernard Nathanson, an obstetrician and gynecologist from New York, and it was produced by Crusade for Life, an evangelical anti-abortion organization. In the video, Nathanson narrates ultrasound footage of an abortion of a twelve-week-old fetus, claiming that the fetus opened its mouth in what Nathanson calls a silent scream during the procedure.
Format: Articles
Subject: Outreach, Reproduction
“Endometriosis and Pelvic Pain: Epidemiological Evidence of the Relationship and Implications” (2005), by Arnaud Fauconnier and Charles Chapron
Arnaud Fauconnier and Charles Chapron published “Endometriosis and Pelvic Pain: Epidemiological Evidence of the Relationship and Implications,” henceforth “Endometriosis and Pelvic Pain,” in the journal Human Reproduction Update in 2005. In that article, the researchers studied the relationship between pelvic pain and endometriosis. Endometriosis is the growth of endometrium, or tissue that normally lines the inside of the uterus, outside of the uterus. The authors review medical studies in order to determine how much evidence exists that endometriosis causes chronic pelvic pain symptoms.
Format: Articles
Subject: Publications
“Spiritual Midwifery” (2003), by Ina May Gaskin
In 1976, midwife Ina May Gaskin published Spiritual Midwifery, with other editions published in 1980, 1990, and 2003. Spiritual Midwifery is a book about pregnancy, birth, and postpartum, or the time period after birth. During the 1970s, it was common for women to receive an epidural, a medication that reduces pain during labor, and for physicians to monitor a fetus’s heartbeat while separating women from their infants after birth. However, according to Gaskin, some women wanted to give birth outside of the hospital without medical interventions.
Subject: Publications, Reproduction