This difference is largely accounted for by the size of the heart, which is typically smaller in females than males. The smaller female heart, pumping less blood with each beat, needs to beat at a faster rate to match the larger male heart's output.
Women's Hearts are Different
To make up for having smaller hearts, a woman's heart rate is generally faster than a man's. Men average at about 70 beats per minute while women average at about 78 beats per minute, causing the female heart to work harder over the course of her life-time.
What is the normal heart rate for a woman? The average heart rate for adult women is 78 to 82 beats per minute, though the “normal” range is between 60 to 100 beats per minute. Multiple factors such as hormones, exercise and lifestyle choices can affect your heart rate.
In the early stages of love — lust and attraction — adrenaline and norepinephrine make the heart beat faster so you may find your pulse racing when just thinking about the object of your affection or whenever that person is near.
There's no difference between fetal heart rates for boys and girls, but the rate does vary with the age of the fetus. By approximately the fifth week of pregnancy, the fetal heart rate is near the mother's — around 80 to 85 BPM.
Our study finds that, compared to the male heart, the female heart has a larger ejection fraction and beats at a faster rate but generates a smaller cardiac output. It has a lower blood pressure but produces universally larger contractile strains.
Differences Between Men's and Women's Hearts
Density: The walls that divide some of the chambers are thinner, and the veins are finer. Function: A woman's heart pumps faster than a man's, but a man's heart ejects more blood with each pump.
A human heart grows through childhood, reaching its full size when a child stops growing. But that doesn't mean the heart stops changing. By the time you're 20 years old, your heart's function can begin to decline as a normal part of aging.
More commonly than men, women have heart attacks caused by small, rather than large, heart arteries. These types of blockages tend to cause symptoms that are less obvious than chest pain.
No, the heart rate cannot predict the sex of your baby. There are lots of old wives' tales surrounding pregnancy. You may have heard that your baby's heart rate can predict their sex as early as the first trimester. If it's over 140 bpm, you're having a baby girl.
This theory states that if the fetal heart rate is above 140 beats per minute (BPM), then the baby is more likely to be a girl. If the heart rate is below 140 BPM then the chances are that the baby will be a boy.
Boys' and girls' genitals develop along the same path with no outward sign of gender until about nine weeks. It's at that point that the genital tubercle begins to develop into a penis or clitoris. However, it's not until 14 or 15 weeks that you can clearly begin to see the differentiated genitalia.
Sex determination of a baby happens during fertilization, and it can't change during your pregnancy.
This theory states that if the fetal heart rate is above 140 beats per minute (BPM), then the baby is more likely to be a girl. If the heart rate is below 140 BPM then the chances are that the baby will be a boy.
Pain or discomfort in one or both arms, the back, neck, jaw or stomach. Shortness of breath with or without chest discomfort. Other signs such as breaking out in a cold sweat, nausea or lightheadedness. As with men, women's most common heart attack symptom is chest pain or discomfort.
Women often describe heart attack pain as pressure or tightness. And it's possible to have a heart attack without chest pain. Women are more likely than men to have heart attack symptoms unrelated to chest pain, such as: Neck, jaw, shoulder, upper back or upper belly (abdomen) discomfort.
Estrogen and the cardiovascular system
Increases HDL cholesterol (the good kind) Decreases LDL cholesterol (the bad kind) Promotes blood clot formation, and also causes some changes that have the opposite effect. Relaxes, smooths and dilates blood vessels so blood flow increases.
Natural and synthetic estrogen may cause the following common adverse effects: breast tenderness, nausea, vomiting, bloating, stomach cramps, headaches, weight gain, hyperpigmentation of the skin, hair loss, vaginal itching, abnormal uterine bleeding, also known as breakthrough bleeding, and anaphylaxis.
However, when the Women's Health Initiative tested the effects of estrogen in a randomized clinical trial, they found a higher risk of heart attack and stroke.
Heart attack signs and symptoms in men and women: Chest pain or discomfort; Shortness of breath; Pain or discomfort in the jaw, neck, back, arm, or shoulder; Feeling nauseous, light-headed, or unusually tired.