Can Fertility Drugs Cause Breast Cancer?

Getting pregnant is one of the most exciting moments in a woman’s life, but if you’re taking fertility drugs, you’re likely wondering if they’re causing breast cancer. It’s no secret that many fertility drugs are ovulation-inducing drugs, but is there evidence that they cause cancer? Here’s what you need to know.

Ovulation-inducing drugs

Several studies have linked the use of ovulation-inducing drugs to increased breast cancer risk. This association has been debated. A recent study by Lerner-Geva and colleagues found no significant association between clomiphene and breast cancer risk in women with ovulatory disorders.

Another study found that infertility treatments may have a modest effect on the risk of breast cancer. These treatments may increase the levels of estradiol in the body and promote growth of breast cells.


During the past 30 years, fertility drugs have been used widely to treat infertility. These drugs work by stimulating the ovaries to enlarge and releasing eggs from the ovaries. These drugs increase the chance of getting pregnant and also improve the lining of the uterus.

There is some evidence that the use of fertility drugs may increase the risk of breast cancer. Two studies reported an association between fertility medications and breast cancer, but most other studies have found no direct link.


Several studies have found a link between estrogen and fertility drugs and breast cancer. This study looked at more than 30 studies to see how these drugs affected breast cancer risk.

Estrogen is produced by the ovaries in females and aids normal cell growth. Estrogen is also found in breast tissue. When the estrogen attaches to the hormone receptors in the cell, it fuels the growth of cancer cells.

Hormone therapies work by inhibiting the estrogen from fueling breast cancer growth. Fertility drugs are used to help the ovaries make eggs during the menstrual cycle. These drugs can also be used to treat advanced breast cancer.

Ovarian cancer

Despite the fact that fertility drugs have been used in infertility treatments for years, it is only in the last few years that we have started to learn whether they increase the risk of ovarian cancer. The aim of this article is to review the latest data on the use of fertility drugs and ovarian hyperstimulation and discuss whether they have an impact on the risk of ovarian cancer.

Epidemiological studies on fertility drug use have been limited by their small sample size and imprecise risk estimates. The latest studies suggest that there is no strong link between fertility drugs and ovarian cancer.

Uterine cancer

Currently there is no conclusive evidence that fertility drugs cause prostate cancer. However, some studies have shown an increased risk of ovarian cancer with fertility drugs.

The link between fertility drugs and cancer has been a topic of controversy. One study found no link between fertility drugs and thyroid cancer. Other studies have suggested an increased risk of ovarian and endometrial cancer. A new study published in BMJ Online First has found no convincing link between fertility drugs and ovarian cancer.