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Category Archives: DES Daughters
DES Daughters
What is a DES Daughter? Who are they?
DES Daughters are all the women born between 1938 and 1978 who have been exposed in utero to the anti miscarriage drug and man-made estrogen Diethylstilbestrol (or DES in short)
. They live in the U.S.A., Canada, Australia, Europe and all corners of the world where the drug was prescribed decades ago during pregnancy.
- Click on an image above to read inspiring life stories of DES Daughters on Scoop.it.
- Meet some amazing DES activists on Pinterest pin board.
- Find Susan B.’s book “DES Daughters” and Stephanie’s book “Moi, Fille Distilbène” on Flickr.
- Follow DES Daughters Carol @DESAustraliaNSW, Caitlin @WONDERDRUGMOVIE, Fran @DESActionUSA, Domino @des_journal and Karen @DESInfo411 on Twitter.
- Watch Caitlin, Jackie and Susan H. interviews via our DES video page or via our YouTube Diethylstilboestrol channel.
- Take a Surv™
about DES Daughter Susan and DES on Survcast.
- Read how my personal
DES journey started, the story about my battle with DES doctors in the UK and more posts about DES Daughters.

DES Daughters during the MGH Boston 2011 DES Symposium – Andrea Goldstein, Caitlin McCarthy, Cheryl Roth.
Five Scary and Shocking Facts about Diethylstilbestrol
1. As early as 1939, researchers had shown that DES Diethylstilbestrol could cause cancer and changes in the reproductive tracts of mice and rats, but drug companies ignored these results.

DES did not lead to healthier babies, nor did it prevent miscarriages, according to research that began appearing in 1953
2. In 1953, a study of 2000 women at the University of Chicago showed that DES did not prevent miscarriage; on the contrary, it was associated with increases in premature labor and a higher rate of abortions.
3. Despite this study, the drug continued to be used. It wasn’t until 1971 that American drug companies were legally obliged to label DES “unsuitable for pregnant women”. The FDA did not ban the drug but issued a contraindication which means that the drug DES continued to be prescribed to pregnant women even after the link between a rare form of vaginal cancer in young women and prenatal exposure to DES was established.
4. A whole generation of new medical students and doctors don’t know about Diethylstilbestrol, yet a study published in 2011 confirmed lifetime risk of adverse health effect in DES daughters (the youngest are in their mid 30′s early 40′s). DES is one of those cases where the patients often know more about its effects than the doctors.
5. DES is a multi-generational tragedy. Research by the Netherlands Cancer Institute in 2002 suggests that hypospadias a misplaced opening of the penis occurred 20 times more frequently among third-generation sons. In laboratory studies of elderly third-generation DES-exposed mice born to DES daughter mice, an increased risk of uterine cancers, benign ovarian tumors and lymphomas were found. Third-generation male mice were shown to be at risk for certain reproductive tract tumors.
Are we going to ignore these results like we did in 1939?
Third-generation children, the offspring of DES daughters and DES sons, are just beginning to reach the age when relevant health problems can be studied. Funding for more research is critically needed to continue to look for evidence of reproductive abnormalities and cancers among third-generation DES women and men to ensure they receive appropriate follow-up care.
New Study Suggests Lifetime Risk of Adverse Health Outcomes for DES Daughters
A study published on October 06th, 2011 in the prestigious New England Journal of Medicine tallies the risks of diethylstilbestrol related disorders among women whose mothers took the synthetic hormone during pregnancy, compared to others who weren’t exposed.

New study suggests that women exposed to DES are 82% more likely to develop breast cancer after age 40
Among these health risks, the study suggests that women exposed to diethylstilbestrol, commonly called DES daughters, are 82% more likely to develop breast cancer after age 40.
Overwhelmed by the extensive media coverage that the publication of this study sparked in the USA, Canada, Australia and France but upset by the total absence of information in the UK, I contacted a health journalist at the UK Press Association to request for this information to be made available to the general public and widely shared and circulated in the UK press.
Given that October is Breast Cancer Awareness Month and 2011 marks the 40th Anniversary of the DES cancer link, I am hoping that my emails to the Press Association won’t go unnoticed and will grab the attention of UK journalists.
Findings of the DES Study
As part of this new study, researchers at the National Cancer Institute analyzed data from three separate studies that have followed more than 4,000 DES-exposed women since the 1970s. Compared with a control group of unexposed women, DES daughters were found to have higher rates of infertility (33% versus 16%), miscarriage (50% versus 39%), preterm delivery (53% versus 18%), and ectopic pregnancy (15% versus 3%). The DES-exposed women were also 82% more likely to develop breast cancer after age 40, and more than twice as likely to experience menopause before age 45. For most of the health conditions included in the study, the increase in risk was even greater for DES daughters who had been exposed to especially high doses of the drug.
“Our study carefully documents elevated risk for DES-exposed daughters for a host of medical problems — many of them also quite common in the general population,” said study author Robert N. Hoover, M.D., director of the Epidemiology and Biostatistics Program in NCI’s Division of Cancer Epidemiology and Genetics. “Without the sentinel finding of a very rare cancer in young women, and without the sustained follow-up of those who were exposed, we would not know the full extent of harm caused by DES exposure in the womb.”
Many of the potential health complications identified in the new study have been raised in previous research, in some cases with conflicting results. A 2010 study of DES daughters conducted in the Netherlands, for instance, found no link between exposure and breast-cancer risk. However a 2006 study had already suggested a higher risk of breast cancer in DES daughters. This year (2011), fifty-three DES daughters who developed breast cancer have brought a lawsuit against several DES manufacturers; the lawsuit is currently under way in Boston, USA.
What the study doesn’t mention is the health risks for DES sons. Despite the fact that women who have been prescribed diethylstilbestrol during pregnancy gave birth to as many sons as daughters, DES sons have once again been left out from a research study. Why researchers fail to include all those who have been affected, men and women? To me, we will never truly understand the extent of the DES tragedy if we don’t take a comprehensive and global approach to the problem. So even though, I welcome this study the need for more research remains obvious.
Situation in the UK
According to the support group DES Action UK who unfortunately is no longer active, more than 300,000 people in the UK (5 to 10 millions worldwide) have been exposed to diethylstilboestrol. So why countries like the UK fail to inform the general public about such an important study?
DES was prescribed to pregnant women in the UK between around 1950 and 1975, mainly to prevent miscarriage. This was despite the fact that research published in the American Journal of Obstetrics and Gynecology in 1953 revealed that women receiving DES suffered a higher rate of miscarriage. The synthetic estrogen was developed in England in 1938. It wasn’t patented and went on to be produced by more than 200 companies. In the UK, DES was known as Stilboestrol® and was sold under many brand names.
Yet, the DES tragedy remains largely unknown in the UK. Some British doctors have never heard of DES and there is only one dedicated clinic in Europe, based in Ireland. Many women are unaware that their infertility or cancer is a result of their mother having taken the drug. All of these women are not receiving proper medical treatment, or making truly informed decisions about their healthcare, as a result.
As a DES daughter myself I have reason to be interested in this new report in the New England Journal of Medicine that takes a thorough look at the heightened medical risks associated with prenatal DES exposure. And I am sure I am not the only one in the UK who feels the same. Despite overwhelming evidence of numerous health risks associated with DES exposure nobody seems to care in the UK. Media interest in the DES issues would definitely help to reach out to all those affected but unaware that their health problems may be related to Stilboestrol®.
The lack of UK media coverage on this new important study just shows how thick the wall of silence around the DES issues in the UK is. To share my experience and knowledge of this drug, I started this personal blog earlier this year for DES mothers, daughters and sons, and others interested in the DES issue. But this is a drop in the ocean. I need support from the media to reach out to people who may have been exposed. I sincerely hope the UK will show an interest in this study and will take on this opportunity to break the wall of silence.
Historic DES Breast Cancer Court Cases
Boston, Massachusetts, USA where the DES cancer link was established 40 years ago, is making history again with the first DES Breast Cancer court cases on behalf of 53 DES daughters.
The lawyers at Aaron M. Levine & Associates law firm, after 50 years of successfully representing hundreds of DES daughters for infertility, vaginal and cervical cancer, and preterm delivery, have turned their attention to the risk of DES breast cancer in DES daughters.
Aaron M.Levine & Associates are the only law firm in America taking this focus and investment. They are currently representing DES daughters for their breast cancer injuries and are accepting new cases for review and evaluation.
The United States Center for Disease Control (CDC) and the most recent national study sponsored by NIH, (Palmer J, Wise L, Hatch E, et al. “Prenatal diethylstilbestrol exposure and risk of breast cancer.” Cancer Epidemiol Biomarkers Prev 2006;15(8):1509-1514.) concluded that DES daughters over the age of 40 are at a significantly increased risk for breast cancer.
In confirming the Palmer study in court as a valid and important reopening of the never-ending DES tragedy, Dr. Adami stated: “so the bottom line of this is, it provides strong evidence that DES exposure increases the risk, and that the risk increase starts sometime around age 40 and then grows as women get older.”

Historic DES Breast Cancer Court Cases at Boston Federal Courthouse (07 - 23 September 2011)
Diethylstilbestrol, primarily promoted by Eli Lilly and Company and E.R. Squibb & Sons (the predecessor to Bristol-Myers Squibb) was given to two to five million pregnant women in the 1950′s and 1960′s and was banned in 1971 when it was discovered to cause cancer and malformations of the reproductive tract. Massachusetts Governor Deval Patrick recently declared “DES Awareness Week” in July 2011 commemorating the experience of DES daughters and warning of breast cancer risks.
The trial taking place in federal court opened on September, 07th 2011 and continues until September, 23rd 2011 as the 53 DES daughters involved put on further biology, toxicology, oncology, and obstetrics and gynaecology experts to support Dr. Adami’s opinion of this substantial DES breast cancer risk in the daughters.
“There has been little press coverage and apparently little public attention. The chemical companies prefer it that way. It’s just two lawyers for the plaintiffs and about 20 lawyers representing the chemical companies in the court room!” comments DES Info, a group created by several DES daughters as a way to proactively share information about Diethylstilbestrol.
Show your support for the Historic DES Breast Cancer Court Cases
The hearings are open to the public and support from the whole DES community is much needed.
If you can please:
- Spread the word on your social media networks
- Post your comments and messages of support on DES Info who is closely following and strongly supporting the historic DES breast cancer court cases
- Respond to the DES Info call to attend the hearings especially on Monday 19th and Tuesday 20th September – The result of this hearing will be to determine if the first ever DES class action suit in the US will be allowed to go forward. There has never been one before, because a class action suit requires a commonality of injuries in the US.
The outcome of the historic DES breast cancer court cases in the USA will have repercussions not only in the USA but around the world as DES victims everywhere are struggling to get compensation for the devastating side effects of DES exposure.
My thoughts are with the lawyers, scientists and more importantly the DES daughters involved in the hearings. Somehow, they represent all of us.
The Boston Federal Courthouse is at:
United States District Court for the District of Massachusetts — Boston
1 Courthouse Way
Boston, Massachusetts 02210 – USA
(617) 748-9152
The hearings will likely begin at 9:30 a.m. and go until 4:30 p.m. each day, with lunch in between.
If you want any more information or feel you could help in any way, please contact Aaron M. Levine & Associates.
Facebook issue – solved!
To all our Facebook friends – We have a good news!
After a few email communications, a few online forms to complete and a little help from a Facebook member of staff, we are pleased to announce that we are back on Facebook!
After 14 days of being inactive, Diethylstilbestrol, Journal of a DES Daughter Facebook page is live again so is the account used to administer the page.
So what happened?
Facebook, the successful social media platform where, in just a few months, we connected with more than 200 fans, 330 friends and DES activists from around the world, disabled our account on Wednesday 07th September without any warning nor explanations. As a result our page became inactive and inaccessible.
We were devastated by this action which made disappear in just a click 6 months of hard work to help raise awareness of the DES drug tragedy. Not everybody likes Facebook, but this platform is a great tool for us not only to keep up to date with the most recent DES Action Groups news and updates but to connect with other DES victims and spread the word about the DES side effects which affect millions of people around the world.
As if it wasn’t bad enough it could not have happened at a worst time when DES victims like myself were eager to read, share and comment on the fate of 53 DES Daughters currently battling in court in Boston, USA to condemn pharmaceutical companies for their responsibilities in their breast cancer associated with DES exposure.
On Wednesday 21st September 2011, Facebook emailed us back to say: “After investigating this further, it looks like we suspended your account by mistake. We are sorry for the inconvenience.” We are thrilled that the problem has now been solved and access to our facebook page has been restored.
Thank you for your kind comments and messages of support whilst we were busy trying to fix this issue. Please encourage your friends to like us on Facebook!
Gender Identity and DES Exposure
Several published studies in the medical literature on psycho-neuro-endocrinology have examined the hypothesis that prenatal exposure to estrogens (including Diethylstilbestrol) may cause significant developmental impact on sexual differentiation of the brain, and on subsequent behavioural and gender identity development in exposed males and females. There is significant evidence linking prenatal hormonal influences on gender identity and transsexual development.

There is a possible connection between DES exposure and gender variance
In 1999, Dr. Scott Kerlin (founder of the DES Sons International Network) began researching the effects of Di-Ethyl Stilbestrol® on the health of genetic males who had been exposed prenatally. A substantial amount of research had been done on women who had been exposed but relatively little had been done on men and DES sons. When it became apparent that a significant portion of his research group were either transsexual, transgendered or intersexed, he began to explore the possibility of a connection between prenatal DES exposure and gender variance. Dr. Kerlin is not the first researcher to note a correlation between DES exposure and feminized behaviour in genetic males; studies go back as far as 1973. However, Dr. Kerlin has delved much deeper than those who came before.
Radio Interview: DES Exposure and Gender Variance
Listen to KWMR Radio Interview with Dr. Dana Beyer on the side effects of Diethylstilbestrol and its influence on gender identity
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Dr. Dana Beyer is the medical advisor and web manager of the DES Sons International Network, on the effects of endocrine disrupting compounds such as Diethylstilbestrol, DDT, phthalates and bisphenol A, on human sexuality and reproduction, as well as providing personal support and mentoring. In 2005 she presented a breakthrough paper, with her colleagues Dr. Scott Kerlin and Dr. Milton Diamond, to the International Behavioural Development Symposium, delineating the impact Di-Ethyl Stilbestrol® has had in causing intersex and gender variations in human beings.
I understand this is a sensitive and controversial matter but I feel it is important to bring this issue to light and break the wall of silence around what is still nowadays considered as “taboo”. I would like to invite all DES exposed individuals who have a knowledge of DES exposure and gender identity either through research or personal experience to share their comments and stories.
Victory for a DES 3rd generation victim : the pharmaceutical company condemned
June 09th 2011 marks a turning point in France for DES victims with a court verdict in favor of a DES Grandson who was born prematurely. This great news has been welcomed by the DES community and Action Groups from all corners of the globe. Fran Howell, DES Action USA Director, commented: “Louis’ win is a huge victory and around the world people are celebrating with him and his family“. We are all so happy for Louis and his mother Hélène.
Below is a translation of a Réseau D.E.S. France press communication - June, 10th 2011

Court case on DES 3rd generation - Versailles court of appeal
After a first judgement against UCB Pharma, the Appeal Court of Justice confirmed the first verdict on June 09th 2011 : 1,7 million euros damages are to be paid to Louis’ family.
Hélène was born in 1958. Her mother was prescribed Distilbène® during her pregnancy, making her one of the 80,000 French “DES daughters“. In 1990, during the 6th month of her pregnancy, Hélène gave birth to Louis, severely premature and suffering from important sequels : his handicap is assessed as 80% ; he can neither read nor write, moves in a wheel-chair and needs constant help. He is yet another victim of the drug Distilbène®… taken by his grandmother in the 50′s !
We share Hélène’s satisfaction and relief that the prejudice has at last been recognized by the Appeal Court to enable her family to live onwards. She can now sleep at night knowing that her son’s future is assured.
This decision is all the more important that it is the first time the the Appeal Court has judged a DES Distilbène® case concerning the 3rd generation.
This victory is consecutive to a well-prepared medical file which proves :
- a prescription of Distilbène® to Hélène’s mother
- that Hélène’s pregnancy was closely controlled because of her in utero DES exposure
- Louis’ medical follow-up was in conformity to the 1990 protocols
- that Louis’ condition has no other cause than his premature birth.
Finally, we are satisfied that the Versailles Court of Appeal confirmed the responsibility of UCB Pharma for their lack of diligence in commercializing Distilbène® on the market.
We again hope that this decision will bring a term to the difficult struggle for justice, started by Hélène in 2002.
In France, Distilbène® and Stilboestrol® (the commercial names for the diethylstilboestrol synthetic hormone – DES in abbreviation) was prescribed to 200 000 pregnant women to avoid miscarriages. 160 000 children were born from these pregnancies. For the “DES daughters”, the side effects are : sterility, miscarriages, premature births, cancers…
Sources: Article courtesy of Réseau D.E.S. France
DES Cancer Link 40th Anniversary
The DES (Diethylstilbestrol) Drug Disaster, 40 Years Later
Below is a guest post from DES Daughter and WONDER DRUG screenwriter Caitlin McCarthy.
The DES Tragedy Is Far From Over
By Caitlin McCarthy

In the April 18, 2011 issue of The Boston Globe, WONDER DRUG screenwriter Caitlin McCarthy appeared on the cover and in the feature story about DES
April 22, 2011 marks the 40th anniversary of the DES cancer link being made at Boston’s Massachusetts General Hospital. DES (diethylstilbestrol), a toxic and carcinogenic synthetic estrogen, is considered the world’s first drug disaster. It was prescribed to millions of pregnant women for decades: from 1938 until 1971 (and in a small number of cases for several years thereafter) in the United States; and until the mid-1980s in parts of Latin America, Europe, Australia, and the Third World. The currently proven effects of exposure include a rare vaginal cancer in DES Daughters; greater risk for breast cancer in DES Mothers; possible risk for testicular cancer in DES Sons; abnormal reproductive organs; infertility; high-risk pregnancies; and an increased risk for breast cancer in DES Daughters after age 40. There are a number of other suspected effects, including auto-immune disorders, but many of these effects are still awaiting further research.
I’m a DES Daughter who was born at the tail end of the tragedy in the U.S. My mother was unknowingly prescribed a prenatal vitamin which contained DES. I didn’t discover my DES exposure until 2005, when a doctor made the connection during a colposcopy. How scary is that?
What’s even scarier is that I’m not alone. Around the world, there are thousands – maybe even millions – of people walking around today, totally unaware that they, too, were exposed to DES. All of these people are not receiving proper medical treatment, or making truly informed decisions about their healthcare, as a result.
In an effort to raise awareness about DES, I wrote a feature film screenplay entitled WONDER DRUG. Set in Boston, Massachusetts, WONDER DRUG interweaves the lives of a Big Pharma executive, feminist doctor, and thirtysomething newlywed across different decades. The script has won awards or received nominations in over 20 international film festival screenplay competitions and labs, including selection as an Alfred P. Sloan Foundation script for the prestigious Hamptons Screenwriters Lab, and a live staged reading of select scenes at the 15th Annual Hamptons International Film Festival, sponsored by the Sloan Foundation and starring Steve Guttenberg (THREE MEN AND A BABY) and Alysia Reiner (SIDEWAYS). Acclaimed independent director Tom Gilroy (SPRING FORWARD) has expressed an interest in directing WONDER DRUG. All we need now is financing. (Producers can contact me via my official website: www.caitlinmccarthy.com.)
I also worked jointly with the offices of US Senators John Kerry (D-MA) and Scott Brown (R-MA) on obtaining an apology from the FDA for the DES drug disaster. That effort was first publicized on acclaimed author Elizabeth Searle’s website, and later picked up by renowned media outlets such as The Huffington Post.. (Thank you, Diana Bianchini, for writing the HuffPo piece!).
The FDA declined to apologize, but did send a three-page letter to Senators Kerry and Brown acknowledging DES as a “tragedy” on February 22, 2011. Upon reading the FDA acknowledgement, I immediately emailed Jeanne Ireland (who signed the FDA’s letter), asking the FDA to remove DES from its webpage touting DES as one of its milestones in “100 Years of Promoting and Protecting Women’s Health.” Jeanne Ireland didn’t respond to me. Instead, she palmed me off on Marsha B. Henderson, Associate Commissioner for Women’s Health (Acting) for the FDA. (Check out the communication between Caitlin and Ms. Henderson by reading the post: The FDA is lying by omission).
To this day, the offensive item about DES remains on the FDA’s website. And to this day, not one drug company has ever apologized or accepted responsibility for the DES tragedy. Nevertheless, they have paid millions in verdicts and out-of-court settlements to DES Daughters and Sons who suffered injuries from their exposure.
I am grateful that the 40th anniversary of the DES cancer link has triggered a flurry of press coverage. The Boston Globe recently ran a feature story about concerns for third generation effects; WCVB-TV Boston’s “Chronicle” newsmagazine aired a DES segment; Reuters published an item about DES Grandsons; New England Journal of Medicine ran an article about living with DES exposure; and Psychology Today features a story about remembering DES’s “tragic chapter in American childbirth.” Even the old “Lou Grant” TV episode about DES is making the rounds on Hulu.
On April 25, 1985, Ronald Reagan was the only US President to proclaim a National DES Awareness Week. No other president has ever done that. Why? DES is far from a dead issue.
I will continue my fight to raise awareness about the DES drug disaster. DES victims are the canaries in the coalmine when it comes to synthetic estrogen. The reproductive abnormalities, cancers, and infertility we deal with daily show what could happen to the human race if we don’t employ the precautionary principle. It suggests we act to protect public health when there is credible evidence of harm, rather than wait for absolute proof. What we do now clearly has an impact on future generations. Please join this fight with me.
ABOUT CAITLIN MCCARTHY:
Caitlin McCarthy received her Master of Fine Arts in Creative Writing from Emerson College, which is ranked by U.S. News & World Report as one of the best graduate programs in the country. An award-winning screenwriter at international film festivals and labs, Caitlin has a screenplay project in development: RESISTANCE with Populus Pictures and director Si Wall (SPEED DATE; THE DINNER PARTY). In addition to screenwriting, Caitlin serves as an English teacher at an inner-city public high school. Prior to education, Caitlin worked in public relations, where she fostered relationships with the press and crafted messages for companies that were delivered worldwide.
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