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Estrogen
Estrogen A hormone produced in the ovaries that works with progesterone to, among other things, regulate the reproductive cycle.
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Hormone
A chemical substance formed in the body that is carried in the bloodstream to affect another part of the body; an example is thyroid hormone, produced by the thyroid gland in the neck, which affects growth, temperature regulation, metabolic rate, and other body functions.
Ovaries
The paired female sex glands in the pelvis, located one on each side of the uterus. The ovaries produce eggs and hormones including estrogen, progesterone, and androgens.
Progesterone
A hormone produced in response to luteinizing hormone (LH) released from the pituitary gland. It is required to flush out the uterus if an egg is not fertilized. It is also useful for stimulating the growth of new bone mass.
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Estrace
Estrace is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol.
Estracomb
A medicine used in the treatment of vasomotor symptoms associated with menopause, based in oestradiol and norethisterone. Produced by Novartis.
Estraderm
A medicine used in the treatment of vasomotor symptoms associated with menopause.
Estradiol
The most biologically potent of the naturally occurring estrogens. It is produced chiefly by the ovary and in small amount by the testis. Commercially, it is prepared in various compounds, such as estradiol benzoate and ethinyl estradiol.
Estradiol and norgestimate
Estradiol and norgestimate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol; norgestimate.
Estradiol cypionate
Estradiol cypionate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol cypionate.
Estradiol valerate
Estradiol valerate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol valerate.
Estradot
A medicine used in the treatment of vasomotor symptoms associated with menopause.
Estradurin
Estradurin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): polyestradiol phosphate.
Estragest
Medication used in the treatment of vasomotor symptoms associated with menopause. Based in oestradiol, norethisterone acetate. Produced by Novartis.
Estraguard
Estraguard is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): dienestrol.
Estrapak
Medication used in the treatment of vasomotor symptoms associated with menopause.
Estrasorb
Estrasorb is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol hemihydrate.
Estratab
Estratab is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estrogens, esterified.
Estring
Estring is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol.
Estrogel
Estrogel is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estradiol.
Estrogen replacement therapy (ERT)
Use of the female hormone estrogen to replace that which the body no longer produces naturally after medical or surgical menopause.
Estrogen-associated blood clots
Blood clots are occasional but serious side effects of estrogen therapy. They are dose-related, that is, they occur more frequently with higher doses of estrogen.
Estrogen-associated hypercoagulability
Hypercoagulability (a supranormal tendency for blood to clot) occurs as an occasional but serious side effect of estrogen therapy.
Estrogen/progestin therapy
Abbreviated EPT. A combination of the hormones estrogen and progestin. Taken by women, the estrogen in the EPT relieves such symptoms of menopause as hot flashes, night sweats, sleeplessness, and vaginal dryness. When taken alone, however, estrogen also increases the risk for cancer of the uterine lining, or endometrium. Combining estrogen with progestin virtually eliminates the risk of endometrial cancer. EPT is a form of hormone replacement therapy (HRT).
Estrogenic substance
Estrogenic substance is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estrone.
Estrogens
A group of three steroid hormones that convey female characteristics and control fertilization. The production of estrogen is stimulated by follicle-stimulating hormone (FSH), which uses cyclic AMP as its second messenger.
Estrone
Estrone is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estrone.
Estropipate
Estropipate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): estropipate.
Estrostep 21
Estrostep 21 is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): ethinyl estradiol; norethindrone acetate.
Estrostep fe
Estrostep fe is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): ethinyl estradiol; norethindrone acetate.
Estrovis
Estrovis is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): quinestrol.
Estrus
Phenomenon of being sexually receptive, or in heat, as manifested at the ovulatory phase of the sexual cycle of the female, especially in subprimate species. The phenomenon of being sexually receptive, or in heat, as found in the sexual cycle of some species. A condition or syndrome of persistent estrus can be produced in some animals (for example, the rat) by hormonal injection of the newborn, notably with androgen.
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Engagement
Engagement, also called lightening or dropping, is when the fetus descends into the pelvic cavity. In first-time mothers, this usually happens two to four weeks before delivery; babies of women who've already had children usually don't engage until labor begins.
Engorgement
Swollen and tender breasts, usually beginning between two days and a weekafter childbirth, when a mother's milk comes in. Symptoms usually disappear in a few days when nursing is well established, but breasts can re-engorge during weaning, a sudden nursing strike, or a bout of mastitis, or if the baby's sick.
Epidural
Anesthesia administered to a laboring mother into the epidural space at the base of the spine to numb the lower body. It decreases or eliminates pain, enabling her to save her strength for pushing. It can numb the lower body entirely, so she's unable to feel contractions when it is time to push out the baby.
Epiglottitis
An inflammation of the epiglottis, the flap of skin that hangs down the back of the throat and covers your windpipe when you swallow food, that can block the windpipe altogether, making breathing difficult. Generally caused by a bacterial infection that can be prevented by the Hib vaccine.
Erythema infectiosum
Last of five childhood diseases to be discovered, including scarlet fever, measles, rubella, and roseola.Mild infection characterized by fever and a bright red rash on the cheeks.
Estrogen
External cephalic version
A procedure in which a doctor, using ultrasound images as a guide, attempts to massage a baby out of breech position (feet down) and into a head-down position for delivery.
Eccentricity
Angular distance of a point on the retina from the center of the fovea.
Ecological approach
Emphasizes the information which may be available in extended spatial and temporal pattern in the optic array to guide the actions of animals and people and to specify events of importance or interest as opposed to considering information just present in the retinal image.
Edge integration
Describes a model of lightness perception in which a region's lightness is computed by integrating over the contrast edges in an image.
Efferent
Heading away. A system's efferent signals are those exiting to elsewhere. (As opposed to Afferent)
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