Fertility drugs used by thousands of women to boost their chances of having a baby could double the risk of cancer. The 23,000 women who take clomiphene every year have twice the chance of developing thyroid cancer, a study suggests. The drug is the most commonly used fertility treatment in Britain. It is often given to 'kick-start' ovaries before before women start more invasive procedures such as IVF. The study also warns that the hormonal treatment progesterone, used to improve a woman's chances of having a baby under IVF, may raise the risk of thyroid cancer by up to ten times. The study of more than 54,000 women, published in the medical journal Human Reproduction, last night led to calls for better regulation of fertility drugs. Researchers from Copenhagen University Hospital found 29 cases of thyroid cancer among women aged 28 to 55, with most diagnoses taking place seven years after fertility treatment. The majority had taken clomiphene, also known by the brand name Clomid, before developing the cancer, which kills 200 British women a year. This content has not been reviewed within the past year and may not represent Web MD's most up-to-date information. To find the most current information, please enter your topic of interest into our search box. 5, 2009 -- Findings from a newly published study should reassure women who have been treated for infertility and worry that the drugs they took will increase their risk for ovarian cancer. The study found little association between the use of drugs like Clomid and the cancer. There has long been concern that the ovulation-stimulating and ovulation-regulating drugs used to treat infertility raise ovarian cancer risk. Several small studies conducted in the 1990s suggested that they do, but more recent studies failed to show an association. Now the largest, most rigorously designed trial ever to address the question shows “no convincing association” between fertility drug use and ovarian cancer. Women in the study were followed for an average of 16 years after treatment. Nolvadex 20 mg Prednisone bloating The majority had taken clomiphene, also known by the brand name Clomid, before developing the cancer, which kills 200 British women a year. Clomid is a brand name of the prescription drug clomiphene. Clomid improves fertility by stimulating egg release in women and increasing sperm production in men. Ovarian cancer has been infrequently reported in patients who have received fertility drugs. Infertility is a primary risk factor for ovarian cancer; however, epidemiology data suggest that prolonged use of clomiphene may increase the risk of a borderline or invasive ovarian tumor. Postmarketing Adverse Events A study suggests that women younger than 50 who use fertility drugs to successfully conceive a child may have a higher risk of breast cancer. Still, this higher risk is about the same as the average woman’s risk, but higher than women who took fertility drugs and didn’t conceive. The study was published online on July 12, 2012 by the . Read the abstract of “Fertility Drugs and Young-Onset Breast Cancer: Results From the Two Sister Study.”Fertility drugs stimulate the ovaries to produce more mature eggs than normal. Without fertility drugs, only one or two eggs, at most, per cycle are released. With fertility drugs, as many as eight to 10 mature eggs can be released. But using fertility drugs greatly increases the amount of estrogen in the body. I'm trying to find other women who have used clomid and were later diagnosed with breast cancer. If you want to contact me, I will watch this discussion forum to contact you further. Hi lasmith: I don't know a lot about the fertility drugs but according to the research, Clomid is considered one of the "safest" (? Prescription info, across the board, state that it's given for only 5 days of the cycle and if conception hasn't taken place within several months, the drug is discontinued and another drug instituted. Information I'm looking for: length of time between use diagnosis of cancer. Evidentially, (per research) if Clomid doesn't work within 6 months, it isn't going to work. I did find one reference to a report of some years ago which had suggested a weak link between Clomid and cervical cancer but that study was later found to be flawed and the study discounted by the scientific/medical community. Hoping someone else here can provide more info or share a personal experience. Love, light and laughter, Ink Hi, I read that neither the American Cancer Society nor the Susan G. If you search the message board here (about 18 months back) you will find the stories of a few women who had breast cancer and chemo while pregnant and had healthy babies! Komen Breast Cancer Foundation list the use of fertility drugs as a risk factor for breast cancer. The majority of scientific evidence suggests that you won't develop cancer solely because of your use of fertility drugs. This information is based on what I've read, however, and not on personal experience. I took Clomid when I was 31, had my daughter at 32, and was diagnosed with breast cancer at 40. Clomid and cancer Fertility drugs and cancer - NHS, Clomid - Ciprofloxacino 250Xenical 120Order viagra overnightBuy tetracycline online australia A small increase in risk for one of the most deadly types of ovarian cancer was seen in women who took Clomid or Serophene, but Jensen says. Fertility Drugs, Ovarian Cancer No Link - WebMD. Common Side Effects of Clomid Clomiphene Drug Center - RxList. Clomid And Cancer NoPrescriptionPharmacy. Fertility Drugs – Femara vs. Clomid Femara – generic brand Letrozole – is an oral fertility medication commonly prescribed as an infertility treatment for women experiencing ovulation problems and/or unexplained infertility. Still, results from earlier studies on fertility drugs and breast cancer risk. citrate brand name Clomid and follicle-stimulating hormone -- and. Uncertainty continues as to whether treatments for ovulation induction are associated with increased risk of cancer. The authors conducted a.