Oestrogen vs. Estrogen: When to Use Each One in Writing?

In biology, diverse terms are used to describe different things, such as cell names, hormone names, and parts of the body system. When using such terms, you must be careful to use the correct term. Words like “oestrogen” and “estrogen” are often confused in writing; let us examine how to use them.

The words “oestrogen” and “estrogen” are the same; they have a similar meaning and can be used interchangeably in writing. The female reproductive system and sexual characteristics traits are developed and regulated by a class of sex hormones called estrogens or oestrogens.

When writing about biological terms, you must use the correct word to avoid confusing your readers by inferring a different meaning than intended. This article will explain the right word to use between “oestrogen” and “estrogen.”

What Do The Words “Oestrogen” And “Estrogen” Mean?

One of the primary female sex hormones is “oestrogen.” The word “oestrogen” is the British spelling of “estrogen.” It is necessary for several bodily processes, including puberty, bone density, pregnancy, the menstrual cycle, and others. 

All through menstruation, oestrogen levels change, and they decrease after menopause. Your risk of developing blood clots and hemorrhage can increase if you consume too much oestrogen. You have a higher risk of developing menopause symptoms and brittle bones if your oestrogen levels are too low.

The hormonal or endocrine system includes oestrogen, primarily manufactured by the ovaries. One of the primary female sex hormones is oestrogen. Both males and females produce oestrogen, which has a more significant impact on the female body.

Your estrogen levels alter depending on your phase of life and how far along your menstrual cycle. Midway through your cycle, oestrogen levels are at their peak and lowest during your menstruation. It can aid with bladder control and preserve your skin from aging. 

Your oestrogen levels start to decline throughout menopause. Females create three different forms of oestrogen at various stages of life: Before menopause, the ovaries release the majority of oestradiol; the placenta primarily produces oestriol, the most common throughout pregnancy.

The primary kind produced after menopause is oestrone, created by the adrenal cortex and adipose tissues. Your body is affected by estrogen in many different ways, and when it is out of balance, it can lead to issues.

A little increase in your chance of dangerous illnesses such as blood clots, gallbladder inflammation, and stroke can result from excessive oestrogen. Low oestrogen levels might bring on osteoporosis and menopausal symptoms. Various medications, including some menopause treatments and contraception, include oestrogen.

A synthetic form of oestrogen is present in the oral contraceptive combination pill, often known as “the pill,” and vaginal rings in Australia. The primary mechanism by which these contraceptives function is to stop the ovaries from releasing eggs.

The word “estrogen” is the American spelling of “oestrogen.” The hormone estrogen has several functions in the body. It aids in the growth and maintenance of the female reproductive system and the development of feminine traits like pubic hair and breasts.

Estrogen is produced by the ovaries, adrenals, and fat tissues. Estrogen supports vital bodily functions such as cardiovascular system function, bone health, cognitive function, and other crucial bodily functions. Nevertheless, most people know it for progesterone’s support for female reproductive and sexual health.

This hormone is present in male and female bodies, but females produce more. Estrone, estriol, and estradiol are the three main indigenous estrogens with estrogenic hormonal activity. The most potent and common estrane is estradiol. Only during pregnancy is another estrogen named estetrol generated.

Individuals have varying amounts of estrogen. They also change over a woman’s lifetime and throughout the menstrual cycle. Sometimes, this oscillation can have consequences like mood swings before a period or hot flashes during menopause. All vertebrates and a few insects produce estrogens.

The fact that estrogenic sex hormones are found in insects and vertebrates shows they have a long evolutionary history. In quantity, estrogens disperse at lower levels in both women and men than in androgens. Even though males have substantially lower estrogen levels than females, males still need estrogens for crucial physiological functions.

In addition to acting as natural hormones, estrogens also have medical applications, such as menopausal hormonal treatment, hormonal contraception, and feminization hormone therapy for nonbinary and transgender people.

Explain How To Properly Use The Words “Oestrogen” And “Estrogen” In A Sentence

Based on the definitions of the words “oestrogen” and “estrogen” stated above, the only difference between how you use both words is that one is used when you are writing in British English. The other is used when you are writing in American English. We use both terms to refer to a class of hormones essential for women’s healthy reproductive and sexual development.

They are used as an alternate description of a sex hormone. We use these words in a sentence when referring to the hormonal gland or hormones that cause the development of sexual secondary traits such as female fat distribution, hip width, and breast development when girls reach puberty stage.

The words “oestrogen” and “estrogen” are also used in a sentence when describing the hormone that plays a role in several vital body functions, including bone health, cardiovascular system performance, and cognitive function.

You can use both words in a sentence to describe a steroid hormone crucial for developing and maintaining follicular development, fertility, and reproductive tissues, all of which have been affected by increasing exposure levels to Zn NPs.

Examples Of The Words “Oestrogen” and “Estrogen” Used In Sentences

Since this article is written in American English, we will provide examples of the word “estrogen” in a sentence. As stated earlier, “oestrogen” and “estrogen” have the same meaning and are used similarly in a sentence. However, you should be careful not to use the American spelling when writing in British English and vice-versa.

• Chronic and acute cerebral vascular disease and cardiovascular disease mortality decreased in women undergoing estrogen replacement treatment.
• Notwithstanding these remedies, conditions such as estrogen therapy, catheter thrombosis, or even cautery, bleeding may often be severe enough to necessitate transfusion.
• The observation backs this idea that anxiety and low estrogen production are also related to postpartum and menopausal periods.
• The connective tissue fat builds up whenever the ovaries begin to generate estrogen, which causes the breasts to develop and the duct system to expand.
• Midway through the period, an increase in estrogen causes ovulation, and in the latter part of the period, progesterone takes over and stimulates the development of the milk glands.
• While girls undergo ramped-up production of the feminine hormone estrogen throughout puberty, boys experience increased testosterone production, a male sex hormone.
• Insufficient estrogen levels in the body might be the main factor causing osteoporosis; however, problems with bone strength or structure may also be linked to the disappearance of unidentified X-chromosome genes.
• Insufficient estrogen levels in the body might be the main factor causing osteoporosis; however, problems with bone strength or structure may also be linked to the disappearance of unidentified X-chromosome genes.
• These glands produce an abundance of sex hormones that control the development and operation of the sex organs, including testosterone and androgen in males and progestin and estrogen in females.
• The quantity of estrogen used by biphasic oral contraceptives remains constant throughout the entire period; however, the proportion of progestin used decreases during the first half and rises during the second.

Final Thoughts

There are two categories of English language that are used in writing; they include British English and American English. Most times, the spellings of words differ based on the language you are using. A classic example is the words “oestrogen” and “estrogen.” As a writer, you should note and use the words “oestrogen” for British English and “estrogen” for American English.