Ronald Barentsen, MD, PhD
Articles by Ronald Barentsen, MD, PhD

During a gynecologic consultation my patient, Mrs. Andersen age 48 years was distraught and asked me for advice. She was worried about her mother, but also about herself. She was very concerned and proceeded to explain in detail the current situation.

The relationship of sex hormones and breast cancer is a matter of concern of many women. Breast cancer is the most common form of cancer in women in industrialized countries.

The request for "natural hormones" is nearly universal. But there is a lot of misunderstanding regarding this idea. What is natural? Compounds derived from nature? Or compounds from pharmaceutical companies that are structurally similar to hormones produced by the ovaries?

An excerpt from the Menopause & Perimenopause Ask the Expert column

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Should a woman continue PAP tests after menopause?

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Are these symptoms of Menopause?What should I expect from HRT?Am I experiencing Perimenopause?

When can I discontinue using contraceptives for birth control??

Are these symptoms of Menopause?Am I experiencing Perimenopause?

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Are irregular periods or headaches normal with Premphase?

Doctor, Are these symptoms of Menopause?Doctor, am I experiencing Perimenopause?Doctor, What should I expect from HRT?

Are these symptoms of Menopause? Am I experiencing Perimenopause?What should I expect from HRT?

Can you provide me with any information or known contraindications for a lady with multiple sclerosis prescribed hormone replacement therapy?

I am a 44 year old women, whom I think is going through perimenopause? I am a smoker (1- 11/2 packs per day for past 22 years). I want to quit smoking and have tried in the past but it never lasted.

If I bypass a sonogram, can a fibroid be detected during the D&C?

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Are these symptoms of Menopause? Am I experiencing Perimenopause?What should I expect from HRT?

I'm in my forties and menopause. I use a progesterone cream twice daily and my Doctor has prescribe 1 mg. of Estradiol daily.

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Are these symptoms of Menopause?Am I experiencing Perimenopause? Am I experiencing Perimenopause? page 2What should I expect from HRT?

I started to take Femhrt one month ago. Since them I got a regular period and some spot bleedings. My concern besides the bleeding that according to my GYN is normal, is that I am hungry all they.

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Am I experiencing Perimenopause? What should I expect from HRT?

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

Are these symptoms of Menopause? Am I experiencing Menopause? What should I expect from HRT?

Are these symptoms of Menopause?Am I experiencing Perimenopause?What should I expect from HRT?

How Much Calcium Should You Take As A Supplement?, Need For A Break In Use Of HRT?, Can You Advice A Gynecologist In My City?