Difference Between Oestrogen and Estrogen

Difference Between Oestrogen and Estrogen


Hormones are chemicals produced by our body, our glands, in particular. These special glands are instructed by our brain to produce and release hormones. Their main purpose is to become the messengers from one organ to another, which helps our body to respond and adjust to its present environment. Furthermore, our body has specific hormone receptors that receive chemical messengers.

There are various hormones in our body for a particular function. Those that are involved in a woman’s reproduction capabilities and development of her sex and reproductive organs are called sex hormones. In a woman’s body, two main hormones are dominating especially on this area-the estrogen and progesterone. Of these two, the major sex hormone is the estrogen. However, another hormone seems to enter the picture-the oestrogen. What is the difference between these two? Furthermore, aside from the spelling, is there any difference between these two?

The following will explain the dynamics of estrogen and oestrogen in a woman’s body and how it contributes to her functions. Due to this information, you will be easily winning scholarship essays to this writing your midterm paper


Oestrogen is the female’s sex hormone, and it has a big contribution to her ability to reproduce, develop her sexual and reproductive system, and in some of her organs such as heart and bones. Actually, even men have an amount of oestrogen in their bodies. It’s just that this hormone plays a bigger role in women. This hormone is produced by the endocrine system.

Throughout a woman’s life, her oestrogen levels start to function at her puberty stage. This hormone is at its highest peak during her menstrual cycle and declines as she reaches her menopausal stage, causing to get a higher risk of health problems and sudden changes in her physical, mental, and emotional aspects. Actually, the oestrogen levels have an inconsistency throughout the woman’s lifespan. According to shop @ Yes Wellness It rises and falls during her monthly cycle until she reaches the so-called perimenopause wherein this is the phase where this hormone starts to become unstable.

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Women may seem to hate this hormone because of the sudden changes that happen to them, but despite it, oestrogen provides amazing things in a female’s body. Aside from its essentiality in the over-all development of the primary and secondary sexual characteristics, it also benefits other body organs too. This hormone, when interacted with collagen, makes her skin supple and glowing. Moreover, when combined with Vitamin D and calcium, it provides better health to the bones and helps to reduce the risks of bone loss or osteoporosis since it aids in repairing the bones.


This pertains on the hormone groups that stimulate the progression and maintenance of female’s body characteristics. This is produced mostly by the ovaries and in the adrenal cortex, placenta and male’s testes, only in smaller quantities.

A woman’s body produces three types of estrogen, each of them changing on the course of a woman’s life. Estradiol or E2 is the major estrogen in the body which is active on the childbearing years or the onset of the menstrual cycle and ends on menopause. At this time, her bloodstream is filled with estradiol compared to the other estrogen types. It also has the strongest effect on hormone receptors. Meanwhile, the estrone or E1, is another estrogen hormone that is present on the woman’s reproductive years. This primarily comes on androgens, another body hormone through a biochemical process called aromatization. When menopause occurs, this is the only estrogen that is produced by the ovaries. Finally, the estriol or E3, is the so-called “pregnancy estrogen”. It is present in a woman’s body even when she is unpregnant, but it the smallest amounts. During pregnancy, estriol is the most increasing estrogen type.  For this estrogen, placenta is the one responsible for its existence. It has essential participation in almost every stage of pregnancy, fetal growth and development and the ability to produce breastmilk.

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Generally, estrogen has various roles and functions in a woman’s body system, most especially in her reproductive system, whether she is pregnant or not.  It aids in the control and guides sexual development and various physical changes in relation to puberty. Also, it has an influence on the changes that happen in a woman as she ages. Estrogen is the hormone that is responsible for the lining that exists in the uterus which helps to prepare for pregnancy and also peels off when unpregnant. Furthermore, it also plays an essential role in bone health since it has a capability to protect the bones from bone loss through its capacity to repair them. Another good contribution of estrogen is that it can control the body’s cholesterol levels, reducing the tendency to have heart attacks and various heart diseases. Most of all, this major female hormone is in charge of the mood and stress levels because it promotes the production of serotonin, a mood-balancing hormone, in the brain.

Regardless if there is any entire difference or not, both of these are the very essential part of a woman’s body system. It is not only responsible for the changes that happen in a woman, but both of these have participation in their major life milestones such as the ability to have children and also in breastfeeding them.

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