Noah Vinter
For most of the 20th century, the dangers of prenatal alcohol consumption were either unknown or ignored. While some studies in the early 1900s observed higher mortality rates among newborns of alcoholic mothers, these findings were rejected or misinterpreted, and it was commonly believed that the placenta protected the fetus from any harm. It was not until the late 1960s that scientific evidence emerged establishing alcohol as a teratogen, and the 1970s that fetal alcohol syndrome was formally recognized, leading to a shift in medical advice and public awareness about the risks of drinking during pregnancy.
| Characteristics | Values |
|---|---|
| Date when women were told to restrict alcohol during pregnancy | 1973 |
| Reason for restriction | Fetal Alcohol Syndrome (FAS) |
| Factors that contributed to the delay in recognizing the risks of prenatal alcohol | Rejection of earlier evidence following the repeal of Prohibition in the US, Canada, and several European countries; Misinterpretation of earlier research findings in a eugenic rather than toxicological context; Pervasive belief that there was no risk to the fetus from prenatal alcohol; Pushback from the medical community |
| Academic references attributing recognition that drinking alcohol during pregnancy affects the child | The biblical Book of Judges (pre-1700); Aristotle's Problemata (translated from several eras, with the 1621 version by Robert Burton as a primary source) |
| Studies supporting the restriction | A 2012 Danish study found that low to moderate alcohol consumption during pregnancy did not affect executive functioning among 5-year-olds; A study in Europe found that only 11.5% of women consumed alcohol once they knew they were pregnant, with most having a single 5-ounce glass of wine or less during the entire pregnancy |
| Medical societies recommending restriction | American College of Obstetricians and Gynecologists; United Kingdom's Royal College of Obstetricians and Gynaecologists |
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What You'll Learn
Fetal Alcohol Spectrum Disorder (FASD)
The link between alcohol use during pregnancy and its harmful effects on offspring has likely been observed for thousands of years. For example, a biblical quote from the Book of Judges (pre-1700) states: "beware, I pray thee, and drink not wine nor strong drink, and eat not any unclean thing: For, lo, thou shalt conceive, and bear a son; and no razor shall come on his head; for the child shall be a Nazarite unto God from the womb". Similarly, a quote from Aristotle's Problemata, assembled over several eras and translated multiple times, is attributed to Aristotle's awareness of prenatal alcohol effects: "foolish, drunken, or hare-brain women most often bring forth children like unto themselves, morose and languid".
Despite these early observations, the role of alcohol as a teratogen and its effects on the cellular growth of the embryo and fetus were not scientifically determined until the late 1960s. In the mid-19th century, with the introduction of Charles Darwin's "On the Origin of Species", researchers sought to distinguish between the hereditary and nonhereditary effects of alcohol on offspring. In 1899, Sullivan observed a higher mortality rate among the newborns of alcoholic women. In 1900, Nicloux discovered that alcohol could pass through the placenta from the mother to the embryo or fetus, and in 1904, Ballantyne attributed alcohol to an increased risk of adverse birth outcomes, including structural dysmorphia, spontaneous abortion, and premature labour.
However, for most of the 20th century, the knowledge that prenatal alcohol exposure could cause FASD was either unknown or ignored. This delay in recognition was due to several factors, including the rejection of earlier evidence following the repeal of Prohibition in the United States, Canada, and several European countries, and the misinterpretation of research findings in a eugenic rather than toxicological context. Additionally, there was pushback from the medical community, as many physicians believed that the placenta protected the unborn child and alcohol was commonly used by obstetricians to treat mothers at risk of premature labour or as an anesthetic during pregnancy.
Today, FASD is recognised as a serious condition that can cause lifelong disability. There is no cure for FASD, but individuals affected by it can be assisted by programs that help with learning and behaviour to maximise their independence and achievements. Early identification of FASD is critical for the well-being of affected individuals and their families. Treatment programs are typically coordinated by a developmental paediatrician and may include educational and behavioural strategies, as well as stimulant medication for conditions such as attention deficit hyperactivity disorder.
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Alcohol as a teratogen
Alcohol is a teratogen, meaning it can cause birth defects and developmental issues in a foetus. The link between alcohol and birth defects was not scientifically proven until the late 1960s, and Fetal Alcohol Spectrum Disorder (FASD) was only officially recognised in 1973. However, there is evidence that the dangers of alcohol consumption during pregnancy have been observed and commented on for thousands of years.
The Bible, in the Book of Judges, states: "Now therefore, beware, I pray thee, and drink not wine nor strong drink, and eat not any unclean thing: For, lo, thou shalt conceive, and bear a son; and no razor shall come on his head; for the child shall be a Nazarite unto God from the womb." Aristotle's Problemata also contains a quote that suggests awareness of the effects of prenatal alcohol: "foolish, drunken, or hare-brain women most often bring forth children like unto themselves, morose and languid."
Despite these early observations, the understanding of the risks associated with prenatal alcohol exposure has evolved slowly. For much of the 20th century, the dangers of alcohol during pregnancy were either unknown or ignored. This was due in part to the rejection of earlier evidence following the repeal of Prohibition in the United States, Canada, and several European countries, as well as the misinterpretation of research findings in a eugenic rather than toxicological context. Additionally, there was pushback from the medical community, as many physicians believed that the placenta acted as a barrier to protect the unborn child.
It was not until the 1970s that FASD began to be recognised as a legitimate disorder, and even today, many women continue to ignore advisories on avoiding alcohol consumption during pregnancy. FASD can cause a range of mental and physical disabilities, including microcephaly, craniofacial abnormalities, neurological damage, and growth retardation. It is now well accepted in paediatrics and obstetrics that prenatal alcohol is a teratogenic agent and the primary cause of FASD. All major health groups, including the CDC, AAP, ACOG, and the U.S. Surgeon General, state that there is no known safe amount of alcohol during pregnancy.
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The repeal of Prohibition
The discovery of fetal alcohol spectrum disorder (FASD) is a relatively recent development, with the link between alcohol consumption during pregnancy and its harmful effects on the fetus only being scientifically established in the late 1960s. Before this, alcohol was one of the few accessible anesthetics used during pregnancy, and its effects were either unknown or ignored for much of the 20th century.
In the United States, the movement to prohibit alcohol gained momentum in the early 20th century, with many women playing a pivotal role in advocating for national Prohibition. They believed it would protect families, women, and children from the detrimental effects of alcohol abuse, which was rampant at the time, with the average adult white American male consuming almost half a pint of whiskey daily. The Eighteenth Amendment, ratified in 1919, imposed a nationwide ban on the manufacture, sale, and transportation of alcohol, going into effect in 1920.
However, Prohibition ultimately failed to achieve its intended goals. While there was an initial decline in alcohol-related crimes, the emergence of an underground market and increased illegal alcohol production led to ties with organized crime. By the 1930s, public sentiment had turned against Prohibition, and influential leaders began to voice their support for repeal. The Women's Organization for National Prohibition Reform (WONPR), founded by activist Pauline Sabin in 1929, played a significant role in the repeal movement, attracting over a million members by 1932.
The economic conditions of the early 1930s, coupled with the expectation of ending Prohibition, contributed to Franklin D. Roosevelt's landslide victory in the 1932 presidential election. Roosevelt signed the Cullen-Harrison Act on March 22, 1933, legalizing low-alcohol beverages and setting federal tax rates on them. Finally, on December 5, 1933, the Twenty-first Amendment was ratified, repealing the Eighteenth Amendment and marking the end of Prohibition.
While the repeal of Prohibition did not directly cause the delay in recognizing the dangers of prenatal alcohol exposure, it is speculated that the rejection of earlier evidence and the misinterpretation of research findings contributed to this lag. Additionally, the medical community's belief in the protective role of the placenta and the use of alcohol by obstetricians during pregnancy may have hindered the acceptance of the harmful effects of prenatal alcohol exposure.
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Physician and public attitudes
Historical Perspectives
For much of history, the understanding of the risks associated with prenatal alcohol exposure was limited or non-existent. Alcohol was a commonly used anaesthetic during pregnancy, and it was believed that the placenta protected the unborn child from any harm. However, historical texts, including the biblical Book of Judges and Aristotle's Problemata, allude to potential recognition of the negative effects of prenatal alcohol exposure.
20th Century Attitudes
Into the 20th century, the belief that prenatal alcohol posed no risk to mother or fetus persisted, partly due to the rejection of earlier evidence following the repeal of Prohibition in several countries, and the misinterpretation of research findings in a eugenic context. This misinterpretation framed the issue as one of hereditary factors rather than the direct impact of alcohol on the developing fetus. However, studies in the early 20th century, such as Sullivan's in 1899 and Ballantyne's in 1904, began to shed light on the potential harms of prenatal alcohol exposure, including increased mortality rates and adverse birth outcomes.
Changing Attitudes
The creation of the National Institute on Alcohol Abuse and Alcoholism (NIAAA) in 1971 and its subsequent research on alcohol and pregnancy were pivotal in shifting physician and public attitudes. In 1973, clinical reports proposed the existence of fetal alcohol syndrome (FAS), and by 1977, the first government health advisory on alcohol and pregnancy was issued. This led to alcoholic beverages being labelled with warnings about the risks of birth defects if consumed during pregnancy. Despite these efforts, it was not until the 1970s and beyond that the understanding of the risks associated with prenatal alcohol exposure became more widely accepted.
Contemporary Attitudes
Today, there is a general consensus among physicians and healthcare professionals that avoiding alcohol during pregnancy is the safest option to prevent fetal alcohol spectrum disorders (FASD) and other developmental issues. However, there is still some confusion among the public regarding safe drinking levels during pregnancy, and many women continue to consume alcohol during pregnancy. A study in the UK found that while most women acknowledged the risks, only six out of 20 reported abstinence. Similarly, a European study found that 11.5% of pregnant women consumed alcohol, with most having a single five-ounce glass of wine or less during their pregnancy.
These findings highlight the need for continued education and informative advice to support women in making informed decisions about alcohol consumption during pregnancy. While attitudes have evolved, ongoing efforts are necessary to ensure a comprehensive understanding of the risks associated with prenatal alcohol exposure.
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Scientific evidence and conservatism
Drinking alcohol during pregnancy has been a taboo subject for a long time, mainly because excessive alcohol consumption can cause fetal alcohol syndrome (FAS). FAS is a group of developmental, mental, and physical issues that can manifest in children born to mothers who drank alcohol while pregnant.
The scientific evidence regarding conservatism and alcohol restriction during pregnancy is well-documented. It is now widely accepted in pediatrics and obstetrics that prenatal alcohol exposure is a teratogenic agent and the primary cause of fetal alcohol spectrum disorders (FASDs). FASDs encompass a range of mental and physical disabilities caused by maternal alcohol consumption. While the role of alcohol as a teratogen was not scientifically established until the late 1960s, historical texts such as the biblical Book of Judges and Aristotle's Problemata contain statements that indicate an early recognition of the potential harm of prenatal alcohol exposure.
Additionally, studies from the mid-19th century onwards sought to differentiate between the hereditary and non-hereditary effects of alcohol on offspring. For example, a 1904 study by Ballantyne linked alcohol consumption during pregnancy to an increased risk of adverse birth outcomes, including structural dysmorphia, spontaneous abortion, and premature labor. However, despite this growing body of evidence, the rejection of earlier research following the repeal of Prohibition in several countries and the misinterpretation of findings in a eugenic context contributed to a delay in recognizing the true risks of prenatal alcohol exposure.
The conservative approach to alcohol restriction during pregnancy is largely due to the absence of a clear threshold for "safe" drinking levels. While some studies suggest that low to moderate alcohol consumption may not negatively impact neuropsychological development, there is still uncertainty regarding the effects of occasional drinking. As a result, healthcare professionals generally advise pregnant women to abstain from alcohol completely to minimize any potential risks to the developing fetus.
Furthermore, cultural and societal influences have also played a role in shaping attitudes towards alcohol restriction during pregnancy. The temperance movement, for instance, gained momentum in the early 20th century and likely influenced public perceptions and policies around alcohol consumption, including during pregnancy. Additionally, the medical community's initial dismissal of evidence, partly due to the common use of alcohol as an anesthetic during pregnancy, may have contributed to a conservative approach to alcohol advice for pregnant women.
In conclusion, the scientific evidence regarding alcohol restriction during pregnancy is strong, and the conservative approach taken by healthcare professionals is a result of the well-established risks associated with prenatal alcohol exposure and the absence of a defined safe drinking threshold. While the exact effects of occasional drinking remain less understood, the potential for harm is significant enough to warrant a conservative stance.
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Frequently asked questions
Doctors started telling women to restrict alcohol consumption during pregnancy in 1973 when fetal alcohol syndrome was formally recognised.
Fetal Alcohol Spectrum Disorder (FASD) is a medical term used to describe a range of mental and physical disabilities caused by maternal alcohol consumption.
Babies with fetal alcohol syndrome may be born prematurely, are often underweight and do not grow well. They may also have characteristic facial features such as a thin upper lip, small eye openings, or a flattened philtrum (the small vertical groove between the upper lip and nose).
