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Growth hormone secreting pituitary tumours in dogs have only been observed in male dogs of large breeds. Excessive growth hormone secretion caused by progestone use has been seen in a variety of breeds of varying size, as well as in mixed breed dogs , the same is true of growth hormone excess brought on by the oestrous cycle.
Estriol is well-tolerated and produces relatively few adverse effects. [12] [18] Side effects may include breast tenderness, vaginal discomfort and discharge, and endometrial hyperplasia. [12] [18] Estriol is a naturally occurring and bioidentical estrogen, or an agonist of the estrogen receptor, the biological target of estrogens like ...
As unopposed estrogen therapy (using estrogen alone without progesterone) increases the risk of endometrial hyperplasia and endometrial cancer in women with intact uteruses, estradiol is usually combined with a progestogen like progesterone or medroxyprogesterone acetate to prevent the effects of estradiol on the endometrium.
Estrone is an estrogen, specifically an agonist of the estrogen receptors (ERs) ERα and ERβ. [5] [44] It is a far less potent estrogen than is estradiol, and as such is a relatively weak estrogen. [5] [44] Given by subcutaneous injection in mice, estradiol is about 10-fold more potent than estrone and about 100-fold more potent than estriol. [45]
Side effects of estradiol benzoate include breast tenderness, breast enlargement, nausea, headache, and fluid retention. [17] Estradiol benzoate is an estrogen and hence is an agonist of the estrogen receptor, the biological target of estrogens like estradiol. [4] [5] It is an estrogen ester and a prodrug of estradiol in the body.
EB is an estrogen, or an agonist of the estrogen receptors, the biological target of estrogens like endogenous estradiol. [20] It is an estradiol ester and prodrug of estradiol with a longer duration of action than estradiol when administered by intramuscular injection in oil solution or aqueous suspension . [ 20 ]
Diethylstilbestrol (DES), also known as stilbestrol or stilboestrol, is a nonsteroidal estrogen medication, which is presently rarely used. [5] [6] [7] In the past, it was widely used for a variety of indications, including pregnancy support for those with a history of recurrent miscarriage, hormone therapy for menopausal symptoms and estrogen deficiency, treatment of prostate cancer and ...
Estradiol is a naturally occurring and bioidentical estrogen, or an agonist of the estrogen receptor, the biological target of estrogens like endogenous estradiol. [10] Due to its estrogenic activity, estradiol has antigonadotropic effects and can inhibit fertility and suppress sex hormone production in both women and men.