A good blood pressure reading for a woman is below 120/80 mm Hg. That target applies regardless of age, and it was reaffirmed in the 2025 joint guidelines from the American Heart Association and American College of Cardiology. While the official categories are the same for men and women, the stakes aren’t: research shows that high blood pressure carries a greater cardiovascular risk for women than for men, even at modestly elevated levels.
Blood Pressure Categories
Blood pressure is measured in two numbers. The top number (systolic) reflects the force when your heart beats. The bottom number (diastolic) reflects the pressure between beats. Both are measured in millimeters of mercury, written as mm Hg. The four categories are:
- Normal: below 120 systolic and below 80 diastolic
- Elevated: 120 to 129 systolic and below 80 diastolic
- Stage 1 hypertension: 130 to 139 systolic or 80 to 89 diastolic
- Stage 2 hypertension: 140 or higher systolic or 90 or higher diastolic
If either number crosses into a higher category, the higher category applies. So a reading of 135/75 counts as Stage 1 hypertension because of the systolic number, even though the diastolic number looks fine.
Why the Same Numbers Matter More for Women
The official targets are identical for men and women, but the risk behind those numbers is not. For every 10 mm Hg increase in systolic blood pressure, a woman’s risk of cardiovascular disease rises by about 25%, compared to 15% in men. The relative risk of heart attack in women with elevated blood pressure is over 80% higher than in women with normal readings.
This disparity shows up across nearly every type of cardiovascular problem. Women with hypertension face roughly twice the risk of stroke compared to men at the same blood pressure levels, even after accounting for other risk factors. They’re also twice as likely to develop thickening of the heart muscle, a structural change that strains the heart over time. One large study of adults in their 20s and 30s found that Stage 1 hypertension doubled the risk of heart attack during midlife in women, while the same relationship didn’t hold for men.
Perhaps most striking, the damage starts at lower thresholds in women. Readings that might look borderline on paper already begin increasing cardiovascular risk more sharply in women than men. This makes staying below 120/80 especially worthwhile if you’re female.
Age Doesn’t Change the Target
You might expect the guidelines to loosen with age, allowing higher readings for older women. They don’t. The current recommendations apply to all adults, and the major clinical trial that informed them didn’t separate patients by age. Whether you’re 25 or 75, below 120/80 remains the goal.
That said, hitting that target gets harder as you get older. Blood vessels naturally stiffen over time, and hormonal shifts around menopause create additional pressure. Many women notice their readings creep up in their late 40s or 50s even if they were consistently normal before. The target doesn’t move, but the effort required to meet it often does.
How Menopause Affects Your Numbers
Menopause is a turning point for many women’s blood pressure. The exact mechanism is still debated. Some researchers point to the decline in estrogen, which normally helps keep blood vessels flexible. Others emphasize the weight gain that commonly accompanies hormonal changes during this transition. Both likely play a role.
Menopause also appears to make blood pressure more sensitive to salt. Women who could eat moderately salty foods without much impact on their readings may find that the same diet now pushes their numbers up. On top of that, certain forms of hormone therapy prescribed for menopause symptoms can raise blood pressure further. If you’re in this stage of life, checking your blood pressure regularly at home gives you a much clearer picture than occasional clinic visits.
Blood Pressure During Pregnancy
Pregnancy introduces its own set of blood pressure concerns. A reading of 140/90 or higher after 20 weeks of pregnancy, confirmed on two measurements at least four hours apart, raises suspicion for preeclampsia, a condition that can become dangerous quickly. Readings at or above 160/110 are considered severe and prompt faster intervention, sometimes within minutes rather than hours.
Blood pressure that was normal before pregnancy can rise unexpectedly, which is why prenatal visits include a blood pressure check every time. If you’ve been told your numbers are trending upward during pregnancy, that’s being tracked for a reason. Preeclampsia affects multiple organs beyond the cardiovascular system, so early detection makes a real difference in outcomes for both mother and baby.
How to Get an Accurate Reading at Home
A single blood pressure reading in a doctor’s office can be misleading. Nerves, rushing to the appointment, or even a full bladder can temporarily spike your numbers. Home monitoring gives a more reliable average over time. The technique matters more than most people realize.
Sit in a chair with your back supported for at least five minutes before taking a reading. Both feet should be flat on the floor, legs uncrossed. Rest the arm wearing the cuff on a table at chest height. The cuff goes directly on bare skin, not over a sleeve, and should be snug without being tight. Take two or three readings a minute apart and average them. Morning readings before coffee or exercise tend to be the most consistent baseline.
Lowering Blood Pressure Without Medication
Diet is the single most studied lifestyle change for blood pressure, and the results are substantial. The DASH eating pattern, which emphasizes fruits, vegetables, whole grains, and lean protein while limiting sodium and processed food, has been tested in multiple large trials. In people with hypertension, combining the DASH diet with low sodium intake reduced systolic blood pressure by an average of 11.5 mm Hg. That’s enough to move many people from Stage 1 hypertension back into the elevated or normal range.
Adding exercise and weight loss on top of the DASH diet amplifies the effect. One trial found that the combination lowered systolic blood pressure by 16.1 mm Hg, compared to 11.2 mm Hg for the DASH diet alone and just 3.4 mm Hg in a control group eating their usual diet. A broad meta-analysis of DASH diet studies found average reductions of about 7 mm Hg systolic and 3.5 mm Hg diastolic across the board.
These aren’t small numbers. For women, where even modest increases in blood pressure carry outsized cardiovascular risk, a drop of 7 to 16 mm Hg through diet and exercise can meaningfully change the long-term picture. The effect is most pronounced in people whose blood pressure is already elevated, but even women with normal readings benefit from these habits as a way to keep their numbers from climbing with age.