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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.
Mares are dewormed a few weeks prior to foaling, as the mare is the primary source of parasites for the foal. [16] Mares can be used for riding or driving during most of their pregnancy. Exercise is healthy, though should be moderated when a mare is heavily in foal. [17]
They are a placenta-associated structure, [2] found in the uterine wall of a mare from about 38 to 150 days into a pregnancy. After about 70 days, they begin to regress, [3] and are eventually destroyed by the immune system. [2] They begin to develop at approximately 25 days of pregnancy, deriving from the chorionic girdle.
In the 1980s, Australian researchers developed a laparoscopic insemination procedure which, combined with the use of progestogen and a pregnant mare's serum gonadotropin , yielded much higher success rates (50-80% or more), and has become the standard for artificial insemination of sheep in the 21st century.
The procedure is also called multifetal pregnancy reduction. [3] The procedure is most commonly done to reduce the number of fetuses in a multiple pregnancy to a safe number, when the multiple pregnancy is the result of use of assisted reproductive technology ; outcomes for both the mother and the babies are generally worse the higher the ...
Doctors expect Anna and Ava to be able to go home in a couple weeks. Croskey and Magnani are both attending classes at DMACC for automotive technology and hope to open their own business following ...
The Hogben test procedure consisted of injecting a sample of women's urine into the skin on the back of the frog, specifically into the dorsal lymph sac. [16] Around 12 hours later, results could be seen. If the woman was pregnant, then the frog would be ovulating, and a small cluster of eggs could be seen at the rear end of the frog.
Rogers stood with her arms folded and her pregnancy bump protruding. The enormous bump spilled out of her shirt as the mother looked dazed and furious. She rolled her eyes and scoffed as if to ...