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Effects of Prenatal Alcohol Exposure on Central Nervous System Development
Prenatal exposure to alcohol (ethanol) results in a continuum of physical, neurological, behavioral, and learning defects collectively grouped under the heading Fetal Alcohol Spectrum Disorder (FASD). Fetal Alcohol Syndrome (FAS) is part of this group and was first defined in 1973 as a condition characterized by pre- and postnatal growth deficiencies, facial abnormalities and defects of the central nervous system (CNS). The CNS is particularly vulnerable to the effects of ethanol during prenatal development.
Subject: Disorders, Reproduction
Dennis Lo (1963- )
Dennis Lo, also called Yuk Ming Dennis Lo, is a
professor at the Chinese University of Hong Kong in Hong Kong,
China. In 1997, Lo discovered fetal DNA in maternal
plasma, which is the liquid component of a pregnant woman's
blood. By 2002, Lo distinguished the DNA differences between pregnant women
and their fetuses, enabling scientists to identify fetal DNA in pregnant
women's blood. Lo used his discoveries to develop several
non-invasive and prenatal genetic tests, including tests for blood
Subject: People, Reproduction
Studies of Thalidomide's Effects on Rodent Embryos from 1962-2008
Thalidomide is a sedative drug introduced to European markets on 1 October 1957 after extensive testing on rodent embryos to ensure its safety. Early laboratory tests in rodent populations showed that pregnant rodents could safely use it, so doctors prescribed Thalidomide to treat morning sickness in pregnant women. However, in humans Thalidomide interfered with embryonic and fetal development in ways not observed in rodent tests.
Subject: Organisms, Reproduction, Disorders
Ovarian Hyperstimulation Syndrome (OHSS) Caused by Fertility Treatment
Ovarian hyperstimulation syndrome, abbreviated OHSS, is an atypical reaction that women may experience in response to excessive hormones, and often occurs during fertility treatments. OHSS is typically triggered by hormonal medications designed to mature eggs in the ovaries, which can cause blood vessels within the ovaries to leak fluid. Sometimes that can lead to painful tenderness or swelling. In severe cases of OHSS, that fluid can leak into the abdominal cavity in large amounts, causing vomiting, blood clots, and severe pain.
“Cardiovascular Risk Associated With the Use of an Etonogestrel-Containing Vaginal Ring” (2013), by Jürgen Dinger, Sabine Möhner, and Klaas Heinemann
In October 2013, Jürgen Dinger, Sabine Möhner, and Klaas Heinemann published the article “Cardiovascular Risk Associated With the Use of an Etonogestrel-Containing Vaginal Ring,” hereafter “Cardiovascular Risk,” in the journal Obstetrics and Gynecology. The authors enrolled patients in the study who were new users of either a vaginal contraceptive ring known as NuvaRing or a combined oral contraceptive pill. A combined oral contraceptive pill contains a formulation of the hormones progesterone and estrogen.
Subject: Technologies, Reproduction
Roe v. Wade (1973)
In the 1973 case of Roe v. Wade, the US Supreme Court ruled that laws banning abortion violated the US Constitution. The Texas abortion laws, articles 1191–1194, and 1196 of the Texas penal code, made abortion illegal and criminalized those who performed or facilitated the procedure. Prior to Roe v. Wade, most states heavily regulated or banned abortions. The US Supreme Court decision in Roe v. Wade secured women's rights to terminate pregnancies for any reasons within the first trimester of pregnancy.
Subject: Legal, Reproduction
Whole Woman's Health v. Hellerstedt (2016)
In the 2016 case Whole Woman's Health v. Hellerstedt, the US Supreme Court ruled unconstitutional the Texas requirements that abortion providers have admitting privileges at local hospitals and that abortion facilities meet ambulatory surgical center standards. Whole Woman’s Health represented abortion care providers in Texas and brought the case against the commissioner for the Texas Department of State Health Services, John Hellerstedt.
Subject: Legal, Reproduction
Assisted Human Reproduction Act (2004)
The Assisted Human Reproduction Act (AHR Act) is a piece of federal legislation passed by the Parliament of Canada. The Act came into force on 29 March 2004. Many sections of the Act were struck down following a 2010 Supreme Court of Canada ruling on its constitutionality. The AHR Act sets a legislative and regulatory framework for the use of reproductive technologies such as in vitro fertilization and related services including surrogacy and gamete donation. The Act also regulates research in Canada involving in vitro embryos.
Subject: Legal, Reproduction, Ethics
Diethylstilbestrol (DES) in the US
Diethylstilbestrol (DES) is an artificially created hormone first synthesized in the late 1930s. Doctors widely prescribed DES first to pregnant women to prevent miscarriages, and later as an emergency contraceptive pill and to treat breast cancer. However, in 1971, physicians showed a link between DES and vaginal cancer during puberty in the children of women who had taken DES while pregnant. Consequently, the US Food and Drug Administration (FDA) banned its use during pregnancy.
Subject: Reproduction, Technologies
Gestational diabetes is a medical condition that causes blood sugar levels to become abnormally high, which manifests for the first-time during pregnancy and typically disappears immediately after birth for around ninety percent of affected women. While many women with the condition do not experience any noticeable symptoms, some may experience increased thirst and urination.
Subject: Reproduction, Disorders
“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
Trisomy 21 (Down Syndrome)
As of 2022, Trisomy 21 is the most common type of trisomy, or a condition where the person has three instead of the normal two copies of one of the chromosomes. Trisomy occurs when abnormal cell division takes place leading to an extra copy of a chromosome. That extra copy of chromosome 21 results in a congenital disorder called Down syndrome, which is characterized by a cluster of specific traits including intellectual disabilities, atypical facial appearance, and a high risk of heart disease.
Subject: Reproduction, Disorders, Ethics
Women’s Right to Know Act (2019) by Americans United for Life
In 2019, Americans United for Life, hereafter AUL, published a model legislation, called the Women’s Right to Know Act, in their annual publication Defending Life. The goal of the model legislation, which AUL annually updates, is to help state governments enact enhanced informed consent laws for abortion. The Women’s Right to Know Act requires physicians to provide specific information to women before they may consent to having an abortion.
Subject: Legal, Publications, Reproduction