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Menopause in More Detail

Physical Effects

As you know from our introduction, menopause occurs when the hormonal cycles that are responsible for regular menstrual periods begin to change. The amounts of these hormones--the two major ones are called estrogen and progesterone, though others are also involved--begin to fluctuate and to decrease. The ovaries become less responsive to the hormones that stimulate the growth of the ova, or eggs, and the ovarian hormones are in turn produced more irregularly and at lower levels. These changes generally occur over a period of several years, though some women experience an abrupt cessation of their menstrual periods.

In addition to the changes in the menstrual cycle, the decrease in hormone levels causes the breasts and the uterus to become smaller. The lining of the vagina also becomes thinner and less moist and this, along with changes in the vulva, may make sexual intercourse uncomfortable. Creams with a small amount of estrogen are available to help with this problem, though the phytoestrogens discussed above may be just as helpful, and not just with the problem of vaginal dryness.

Effects on Sex

Some women find that their sex drive increases with menopause while others experience no change or a decrease in their interest in sex. More interest in sex is sometimes a result of the permanent removal of the risk of an unwanted pregnancy. The greater relative amount of the male hormone testosterone-always present in women anyway and one of the hormones responsible for the sex drive-could also be responsible. A lack of interest in sex may be an indication that a woman is experiencing some degree of depression due to this major change in her life. A physician should always be consulted whenever major changes or unexpected events occur.

What should be taken during menopause

Most women should use some form of contraception during menopause and for 6
to 12 months after the last menstrual period and should continue to see a gynecologist regularly. Any menstrual period which occurs six months or more after the last one should be evaluated by a doctor.

Health risk with synthetic estrogen

The health risks associated with synthetic estrogen are rare but significant. Medical research studies have shown that there may be a higher risk of uterine cancer in women who take synthetic estrogen after menopause, though taking progesterone with the estrogen is thought to reduce that risk.

What to eat then...

All of this makes eating food rich in phytoestrogens very sensible. As mentioned in our introduction, the isoflavinols in soybeans and soy products are important phytoestrogens. Asian women, who in general eat much larger amounts of soy products than Western women, rarely experience hot flashes during menopause. Other sources of phytoestrogens include anise, black cohosh, fennel, licorice, raspberry, sage, sarsaparilla, unicorn root, and wild yam root. Some cautionary notes: don't use licorice for more than 7 days in a row or if you have high blood pressure, and avoid sage if you have any kind of seizure disorder; there are lots of other choices of useful vegetables and herbs which can be helpful.

Estrogen helps to prevent arteriosclerosis and osteoporosis, and when estrogen levels drop the risk of developing these problems rises. Blood cholesterol levels rise and the amount of calcium taken out of bones is greater than the amount deposited in bones, so they weaken and are more likely to break easily. Before menopause women need about 1,000mg of calcium a day, while after menopause women need around 1,500mg of calcium.

The best source of calcium is your diet. Dairy products are perhaps the most widely consumed source of calcium in the Western world. One cup of milk contains about 300 mg of calcium and 8 ounces of yogurt around 400 mg.

Many Asian and Mediterranean women are intolerant of a sugar found in milk called lactose, however, and must get their calcium from something besides milk. Fortunately there are many other important sources of calcium. Some vegetables which are good sources of calcium include broccoli, almonds, dried figs, kelp, prunes, rhubarb, seaweed (1710 mg/3 oz), soybeans (214mg/ 3 oz), sesame seeds, watercress, dandelion greens, amaranth and chickweed.

Salmon, sardines and other fish are also good sources of calcium.

There is not much difference in the absorption of calcium from the different forms of calcium you may find in tablet form, but some of the forms contain more calcium by weight than others. Calcium carbonate is 40% calcium, calcium citrate is 24% calcium and calcium gluconate is only 9% calcium, though calcium gluconate appears to promote the absorption of much more magnesium than any of the other calcium forms. Magnesium is an essential mineral in bone and helps to make bone much stronger. Calcium citrate also increases iron absorption while milk and other calcium compounds may reduce iron absorption.

Menopause brings with it many changes in a woman's life. With a little planning and perhaps a few small changes in your diet, poor health, heart disease and osteoporosis do not have to be among them.

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