A normal resting heart rate for an adult woman is 60 to 100 beats per minute (bpm), the same standard range that applies to all adults. Most healthy women at rest fall somewhere in the middle of that range, typically between the mid-60s and low 80s. Where you land within that window depends on your fitness level, age, hormones, and whether you’re pregnant.
Why Women’s Heart Rates Tend to Run Slightly Higher
Women generally have a slightly higher resting heart rate than men, often by a few beats per minute. The main reason is heart size. A smaller heart pumps less blood with each beat, so it needs to beat more frequently to circulate the same volume of blood throughout the body. Since women on average have smaller hearts than men, those extra beats per minute are simply the heart compensating for a smaller stroke volume. This difference is subtle, usually only 2 to 5 bpm, and falls well within the normal range for both sexes.
How Your Menstrual Cycle Affects Heart Rate
If you track your resting heart rate daily, you may notice it fluctuates with your cycle. Heart rate tends to increase slightly around ovulation and during the week that follows, then dip during your period and the week after. These shifts are driven by progesterone, which rises after ovulation and has a mild effect on cardiovascular function. The changes are small, often just a few beats per minute, but consistent enough that some fertility tracking apps use heart rate patterns as one of their data points.
This is worth knowing if you’re trying to get a “true” baseline number. A reading taken in the first half of your cycle will likely be a touch lower than one taken in the second half, and neither is wrong.
Resting Heart Rate During Pregnancy
Pregnancy pushes resting heart rate up significantly. Your body increases its blood volume by nearly 50% to support the growing fetus, and the heart responds by beating faster. Research from the Harvard T.H. Chan School of Public Health found that the median resting heart rate before pregnancy was about 65.5 bpm, rising to a peak of roughly 77 bpm in the third trimester, around eight weeks before delivery.
That increase of 10 to 20 bpm, a jump of 20% to 25%, is considered normal. The rise begins early in the first trimester and climbs gradually throughout pregnancy. If your pre-pregnancy resting rate was 70 bpm, seeing 85 or even 90 bpm in your third trimester is not unusual. Heart rate typically returns to its pre-pregnancy baseline within a few weeks to months after delivery.
What a Lower Heart Rate Means
A resting heart rate below 60 bpm is technically classified as bradycardia, but in many women this is perfectly healthy. Regular aerobic exercise strengthens the heart muscle, allowing it to pump more blood per beat. A fit heart doesn’t need to beat as often to do the same job. Female athletes and women who run, swim, or cycle regularly often have resting rates in the 50s, and elite endurance athletes can dip into the 40s.
A low heart rate only becomes a concern when it’s paired with symptoms: dizziness, fainting, unusual fatigue, or feeling short of breath during normal activities. Without those symptoms, a rate in the 50s is generally a sign of cardiovascular efficiency, not a problem.
When a Higher Heart Rate Matters
On the other end of the spectrum, a resting heart rate consistently above 100 bpm is called tachycardia. Occasional spikes above 100 are expected during stress, illness, dehydration, or after caffeine. But if your resting rate regularly sits at or above 100 when you’re calm and hydrated, it may point to an underlying issue like anemia, thyroid overactivity, or a heart rhythm disorder.
Even within the “normal” range, your number carries information. Studies consistently show that a lower resting heart rate within the 60 to 100 window is associated with better cardiovascular health and lower long-term risk of heart disease. A resting rate that creeps upward over months or years, even if it stays below 100, can be an early signal that something has changed with your fitness, stress levels, sleep quality, or metabolic health.
How to Measure Accurately
The number you get depends heavily on when and how you measure. For the most reliable reading, check your pulse first thing in the morning before getting out of bed. If that’s not practical, sit quietly for at least five minutes before taking a measurement. Place two fingers (index and middle) on the inside of your wrist just below the base of your thumb, count the beats for 30 seconds, and multiply by two.
A few things that will throw off your reading:
- Exercise: Wait at least one to two hours after a workout. Your heart rate stays elevated well after you stop moving.
- Caffeine: Coffee, tea, and energy drinks can raise your heart rate for an hour or more.
- Prolonged sitting or standing: Being in one position for a long time can shift your rate in either direction, so take a reading after sitting comfortably for a few minutes rather than after being on your feet all day.
- Stress or strong emotions: Anxiety, excitement, and even a heated conversation will bump your rate up temporarily.
Wearable devices like smartwatches also track resting heart rate, and most are reasonably accurate for healthy adults. They’re especially useful for spotting trends over weeks and months rather than fixating on any single reading. A one-day spike is rarely meaningful, but a gradual upward or downward trend over several weeks tells you something real about your body.