Should women taking tamoxifen avoid pregnancy?
Yes. Doctors advise women receiving tamoxifen to avoid pregnancy because animal studies have suggested that the use of tamoxifen during pregnancy can cause harm to the fetus. Women who have questions about fertility, birth control, or pregnancy should discuss their concerns with their doctor. • Does tamoxifen cause a woman to begin menopause? Tamoxifen does not cause a woman to begin menopause, although it can cause some symptoms that are similar to those that may occur during menopause. In most premenopausal women taking tamoxifen, the ovaries continue to act normally and produce estrogen in the same or slightly increased amounts. • Do the benefits of tamoxifen in treating breast cancer outweigh its risks? The benefits of tamoxifen as a treatment for breast cancer are firmly established and far outweigh the potential risks. Patients who are concerned about the risks and benefits of tamoxifen or any other medications are encouraged to discuss these concerns with their doctor. • Can tam
