Menopause: When the Baseline Itself Shifts

In the morning, the fingers do not straighten easily. A ring that was loose until yesterday catches on a knuckle. The knees are not what they used to be on stairs either. Around fifty, these things arrive all at once.

Talk about this stage of life usually starts with hot flashes and disrupted sleep. You may wonder what stiff hands have to do with that stage. They do.

It Is Not the Level That Changes, but the Baseline

Menopause is often explained as a state of hormone shortage. But if a shortfall in the number were the whole story, the body should simply sag in proportion to what is missing. In reality, some things run to excess instead, and some things feel different even though the number reads the same as before.

The body sets a baseline it needs to maintain and regulates around it. When the current level strays from that baseline, the body moves to bring it back.

In this stage of life, it is not only the current level that changes. The baseline itself relocates to a new position. And not in just one place — several places shift together at once.

While it is relocating, the body sits between two positions. Measured against the new baseline, the current state is off, so the body works to correct it — while everything that had adjusted to the old baseline is still in place. This is why the body reacts differently even when nothing appears to have changed.

Several Places Are Relocating

The best known is the sense of heat. At a temperature that used to feel like nothing, the body starts shedding heat. The story of heat rising to the face and tightness in the chest has been covered separately before.

But what estrogen does is not limited to reproduction. There are estrogen receptors in bone, in blood vessels, in skin, in nerves, in the bladder. They are also in connective tissue such as tendons and ligaments. They are not clustered in a few places — they are spread across nearly the whole body.

Bone is one example. Once bone finishes growing, it does not stay as it is; it keeps breaking down and rebuilding itself for life. Estrogen plays a role in setting the balance between the two. When that balance relocates during this stage of life, the outcome left in the bone changes even if you live exactly as you did before.

Tendons and ligaments are the same. Collagen is the main material of these tissues, and this hormone is thought to be involved in making and replacing collagen. So during this stage of life, tendons and ligaments may become less pliable than they used to be.

The hands mentioned at the start fall under this. In the fingers and wrist, tendons often pass through narrow passages, so even a small change in the tissue's properties shows up there first.

Age Alone Does Not Explain These Few Years

If this were simply tissue aging with the years, you could just call it aging and be done. But why does it cluster specifically into these few years?

There is one other stage of life when the same hand symptoms appear. The months of nursing after giving birth. The two stages are decades apart in age.

This is not to say how much you use your hands does not matter. Repeated, forceful gripping does build up strain in that spot, and the months of holding and nursing an infant are also a time of using the hands more than usual. The load from use is clearly one layer. But that layer alone does not explain why hands twenty-some years apart in age go through the same thing in the same place.

Several layers sit together in these two stages. Sleep gets interrupted, the degree of swelling changes, how much the hands are used changes, and estrogen is not the only hormone that has shifted around that time. Among these many layers, there is one thing the two stages share — estrogen dropping sharply over a short period. Age and hand use each overlap in their own way, but this one layer runs through both stages alike.

A level being low and a level dropping sharply are different things. Years after menopause has passed, the level stays continuously low. But how much you experience does not simply track that level. The body is thrown into greatest upheaval not because the level is low but during the process of relocating.

The Relocation Itself Is the Loudest Part

As the body settles into its new position, regulation gradually adjusts to match it. In a multi-year study following women who experienced hot flashes, the median duration of the symptom was 7.4 years, lining up those with shorter and longer courses. For those whose symptoms began early in the transition, the median exceeded 11.8 years. The duration varies greatly from person to person.

So you do not have to read your current discomfort as a preview of something that will go on indefinitely. Some things, like hot flashes, do ease with time.

That is not to say everything passes, however. Some things, like bone, need continued attention under the new baseline. There is a portion that passes and a portion that stays.

Attributing Everything to Menopause Misses Things

Chalking up everything you experience to this stage of life misses some things. Your forties and fifties are also when muscle begins to decline, and when the accumulated weight of years of daily habits starts to show. There are also conditions like thyroid disease that produce similar symptoms.

The reverse — attributing everything to something else — misses things just the same. The question to ask is not whether it is menopause or not, but what is moving together with what, in this body, right now.

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A ring growing tight is not only a matter of age. The baseline the body has been maintaining is in the middle of relocating, and the hands are one of the first places that change shows up.

If bleeding returns after menopause, that should be checked first. It is not something ordinary to this stage of life. Noticeable weight loss, or a racing heart with trembling hands, are the same — easy to dismiss as just part of this period overlapping, but they can be coming from somewhere else.

Whether to use hormone replacement is not what this piece is about. Whichever way that decision goes, what is happening in the body during this stage of life remains the same story.

So you do not have to see these few years only as a time of things declining. It is less a matter of declining than of relocating. Whatever you are experiencing right now has a place it belongs.

Written by Dr. Heo Ji-young (PhD in Korean Medicine Pathology, Kyung Hee University · former Research Professor of Herbology, Kyung Hee University)