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Equine chorionic gonadotropin (acronym given as eCG but not to be confused with ECG) is a gonadotropic hormone produced in the chorion of pregnant mares. Previously referred to as pregnant mare's serum gonadotropin ( PMSG ), the hormone is commonly used in concert with progestogen to induce ovulation in livestock prior to artificial insemination .
They begin to develop at approximately 25 days of pregnancy, deriving from the chorionic girdle. At approximately 36–38 days of pregnancy, the cells that will become the endometrial cup begin to burrow into the endometrial tissue, through the basement membrane, and into the uterine stroma. Their invasion of the uterine stroma begins the cells ...
If pregnancy occurs in equine, the placental hormone equine chorionic gonadotropin released by endometrial cup acts like LH and FSH and stimulates additional ovulations, although the oocytes released during these ovulations are not fertilized. The resulting accessory corpora lutea produce progesterone and keep levels of progesterone high during ...
Stained glass symbolic representation of the Holy Spirit as a dove, c. 1660. The seven gifts of the Holy Spirit are an enumeration of seven spiritual gifts first found in the book of Isaiah, [1] and much commented upon by patristic authors. [2] They are: wisdom, understanding, counsel, fortitude, knowledge, piety, and fear of the Lord. [3]
Gonadotropins are glycoprotein hormones secreted by gonadotropic cells of the anterior pituitary of vertebrates. [1] [2] [3] This family includes the mammalian hormones follicle-stimulating hormone (FSH) and luteinizing hormone (LH), the placental/chorionic gonadotropins, human chorionic gonadotropin (hCG) and equine chorionic gonadotropin (eCG), [3] as well as at least two forms of fish ...
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The application of utilizing eFSH to increase the efficiency of equine embryo transfer was tested at the University of Saskatchewan.Embryos from 12 donor mares at 8 days of ovulation were recovered, scored, then transferred to 37 recipients mares who were tested for pregnancy after 7-10 days. 5 pregnancies resulted from the 15 embryos were recovered from the eFSA treatment group and 4 ...
The increased estrogen in pregnancy leads to increase corticosteroid-binding globulin production and in response the adrenal gland produces more cortisol. [5] The net effect is an increase of free cortisol. This contributes to insulin resistance of pregnancy and possibly striae. [5]