"Women with established heart disease should not use estrogen," she said.

There is no way of knowing in advance whether you will have menopause symptoms when you stop using estrogen.

Do not use estrogen to prevent heart disease or other diseases.

That includes using estrogen to prevent Alzheimer's disease.

Using estrogen without progestin greatly increases your risk of endometrial cancer.

Women using estrogen only without progesterone have increased risks of endometrial cancer.

"Females may also have an additional system that uses estrogen."

Using estrogen with or without progestin may increase the risk of dementia in women age 65 years or older.

Older women and smokers using estrogen had only a slightly higher risk of tooth loss than those who were younger and did not smoke.

Should I use estrogen after a hysterectomy and oophorectomy?