<unk>  (EC), sold under the brand name Depo-Estradiol among others, is an estrogen medication which is used in hormone therapy for menopausal symptoms and low estrogen levels in cis women, in hormone therapy for trans women, and in hormonal birth control for cis women. It is given by injection into muscle once every 1 to 4 weeks. Side effects of<unk>  include breast tenderness, breast enlargement, nausea, headache, and fluid retention.<unk>  is a synthetic estrogen and hence is an agonist of the estrogen receptor, the biological target of estrogens like estradiol.<unk>  is an estrogen ester and a long-lasting prodrug of estradiol in the body. Because of this, it is considered to be a natural and bioidentical form of estrogen.<unk>  was first described as well as introduced for medical use in 1952. Along with estradiol valerate, it is one of the most commonly used esters of estradiol.<unk>  has mostly been used in the United States, but is also marketed in a few other countries. The medication is not available in Europe. It is not currently available as a generic medication in the United States.
Estradiol cypionate
Estradiol dienantate
Estradiol undecylate
Estradiol enantate
Estradiol furoate
Estradiol dipropionate
Estradiol benzoate
Estradiol valerate