noun
definition
Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.
Examples of estrogen in a Sentence
The mineral boron is known to affect estrogen metabolism.
In her final year, she carried out research on the toxicology of selective estrogen receptor modulators in the human endometrium.
Women who had used estrogen replacement therapy had a reduced mortality from all categories of acute and chronic arteriosclerotic disease and cerebrovascular disease.
These processes were thought to be controlled by the sex hormones - estrogen in women and testosterone in men.
Abnormal secretion of estrogen and high serum levels of free testosterone are also present.
Frequently bleeding may be severe enough to require transfusion despite local treatment such as cautery, estrogen therapy or even catheter thromboembolism.
Estrogen is the principal female sex hormone produced by the ovaries.
These plant hormones similar to the female sex hormone estrogen are found most commonly in soy beans and other high-fibre foods.
Eleven out of 16 studies in postmenopausal women showed improvements in bone density with either exercise or exercise plus calcium or estrogen.
Objectives The PATCH trial is a randomised-controlled trial investigating the use of transcutaneous estrogen patches versus LHRH analogs in prostate cancer.
Women with endometriosis are often treated with hormones and medicines that lower their levels of estrogen.
Birth control pills which contain estrogen can decrease milk supply, so they generally aren't recommended to nursing mothers.
Certain foods may contain higher levels of hormones that are similar to estrogen, such as yams, which may influence ovulation and conception.
The herb has some estrogen like properties, used to stimulate the flow and increase the volume of breast milk for centuries.
Licorice Root is helpful in balancing the estrogen and progesterone levels in the body.
For girls, the hormone estrogen substantially increases, leading to breast development, a curvier figure, and menarche, which is the first period.
The ovaries begin to grow and produce estrogen and progesterone.
The FSH hormone begins the process of sperm production in boys, and activates the ovaries and estrogen production in girls.
Those hormones tell the ovaries to release yet another hormone called estrogen, and then your body fully enters puberty.
However, soy's isofloves are a precursor to estrogen and not an ideal choice for men as a regular source of protein.
During pregnancy, the amount of estrogen and progesterone in a woman's body increases greatly.
It is thought that the chemicals mimic estrogen in the body, which could promote growth of cancer tumors or disrupt the endocrine system in the body.
Night sweats are similar to the flushes, and are likely to be associated with a sudden drop in estrogen as opposed to a low level of it.
Once estrogen hormones settle down and levels stabilize, the sweats and flushes tend to subside.
As the levels of estrogen begin to fall, the opportunity for vaginal lubrication does, too.
Less estrogen and progesterone is produced, fewer menstrual periods occur and eventually stop altogether.
Hot flashes associated with menopause result from decreased levels of the hormone estrogen.
This is also referred to as a loss of libido and is thought to be the result of lowered levels of the hormones estrogen, progesterone, and testosterone.
This dryness is associated with the drop in estrogen brought on by menopause.
Another symptom associated with the depletion of estrogen is hair loss.
Healthy hair follicles need estrogen and with the onset of menopause, a woman's hair can thin.
During perimenopause the ovaries produce less estrogen, which may result in menopausal symptoms.
When you exercise, it stimulates your adrenal glands, which convert androstenedione into estrogen, plus it offers a host of other health benefits.
The hormone estrogen gradually rises during the first half of a woman's cycle, the preovulatory phase, and falls dramatically at ovulation.
Both estrogen and progesterone are secreted by the ovaries, which are responsible for producing the eggs.
However, estrogen and progesterone also affect other parts of the body, including the brain.
In the brain and nervous system, estrogen can affect the levels of neurotransmitters, such as serotonin.
It is thought that when estrogen levels go down during the postovulatory phase of the menstrual cycle, decreases in serotonin levels follow.
Whether these changes in estrogen, progesterone, and serotonin are responsible for the emotional aspects of PMS was not, as of 2004, known with certainty.
This belief is supported by the fact that the times following childbirth and menopause are also associated with both depression and low estrogen levels.
These plant-derived compounds have an effect similar to estrogen in the body.
Chaste tree (Vitex agnus-castus) in addition to helping rebalance estrogen and progesterone in the body, also may relieve the anxiety and depression associated with PMS.
Phytoestrogens-Compounds found in plants that can mimic the effects of estrogen in the body.
If her ovaries are producing estrogen and her uterus is responding normally, she should have a menstrual period within a few days of the progesterone dose.
The most frequent risk associated with amenorrhea is osteoporosis (thinning of the bone) caused by low estrogen levels.
In some cases, estrogen therapy is used to reduce bleeding episodes.
There is also debate on whether the determination is shaped by hormones, particularly testosterone and estrogen, or by genes assigned at conception.
When the ovaries start to secrete estrogen, fat in the connective tissue begins to accumulate causing the breasts to enlarge and the duct system begins to grow.
Estrogen, which is produced by the ovaries in the first half of the menstrual cycle, stimulates the growth of milk ducts in the breasts.
The increasing level of estrogen leads to ovulation halfway through the cycle, and then the hormone progesterone takes over in the second half of the cycle, stimulating the formation of the milk glands.