chorionic gonadotrophin


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chorionic gonadotrophin

n
(Biochemistry) a hormone secreted by the chorionic villi of the placenta in mammals, esp human chorionic gonadotrophin. It promotes the secretion of progesterone by the corpus luteum and its presence in the urine is an indication of pregnancy
References in periodicals archive ?
Additional discovery of maternal serum biochemical markers associated with Down syndrome and other fetal chromosome abnormalities continued with elevation human chorionic gonadotrophin (phCG) values associated with Down syndrome (28), low maternal blood unconjugated oestriol (29) and the development of the 'triple screening test' for Down syndrome integrating maternal serum AFP, phCG and unconjugated oestriol (30).
A prolongation was observed in time to pronuclear fading and t2 cleavage times in time-lapse in the non-smoker group (p3 follicles reached >17mm diameter; human chorionic gonadotropin (hCG) trigger which consisted of subcutaneous (sc) injection of recombinant human chorionic gonadotropin (rhCG) (Ovitrelle, Merck Serono, Turkey) or intramuscular urinary human chorionic gonadotrophin (uhCG) (Pregnyl MSD, Turkey) was administered.
A controlled study of human chorionic gonadotrophin induced ovulation versus urinary luteinizing hormone surge for timing of intrauterine insemination.
The outcome was categorized into non-pregnant with beta human chorionic Gonadotrophin (hCG) 5-25 m IU/ml, and clinical pregnancy with beta hCG>25 m IU/ml.
Table 1--Number of follicles (Num Fol) on Day 4 (D4) and Day 10 ( D10), follicle size on day 10 (D10), corpus luteum (CL) size on day 18 (D18) and ovulation rate of bos indicus cows submitted to an estrus synchronization protocol without (control) or with 300IU of equine chorionic gonadotrophin (eCG).
Human chorionic gonadotrophin (HCG) Pregynl was administered when there were at least four follicles with mean diameter of 17 mm, 36 hours before egg retrieval.
Continuing the debate on empty follicle syndrome: can it be associated with normal bioavailability of beta-human chorionic gonadotrophin on the day of oocyte recovery?
Use of GnRH agonist and human chorionic gonadotrophin tests for differentiating constitutional delayed puberty from gonadotrophin deficiency in boys.
Does treatment with human chorionic gonadotrophin induce reversible changes in undescended testes in boys?
Use of equine chorionic gonadotrophin in synchronised AI of seasonal-breeding, pasture-based, anoestrus dairy cattle.
Digynic pregnancies usually have a small placenta which secretes less human chorionic gonadotrophin (hCG), and fetal adrenal growth occurs under the influence of hCG, diagynic fetus usually has severe growth retardation associated with marked adrenal hypoplasia (Eidben et al.

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