gonadotropin

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gonadotropin

[gō‚nad·ə′trō·pən]
(biochemistry)
A substance that acts to stimulate the gonads.
References in periodicals archive ?
Although, low-dose protocols with gonadotropins results in a higher pregnancy rate, recruitment of multiple follicles rapidly increases the serum E2 levels, which may increase the risk of a premature LH surge (PL).
IUI and ovulation induction with gonadotropins is currently offered to couples with mild to moderate male factor, unexplained infertility and anovulatory women who have failed to conceive with clomiphene citrate treatment.
By injecting a single bolus of GnRH agonist, the antagonist is displaced from the receptor by the GnRH agonist, which activates the receptor, inducing a flare-up of gonadotropins that accumulate during GnRH antagonist protocols and effectively stimulating the final oocyte maturation and ovulation (9-11).
Nowadays, the use of long protocols using the gonadotropin-releasing hormone (GnRH) analog plus gonadotropins for COH has gained widespread popularity.
The studies about the GnRH-ant in the treatment of POR resulted in reducing the amount of gonadotropins used, the length of the stimulation, the number of cancelled cycles, and the overall cost normally associated with the long protocol and in increasing the number of oocytes retrieved with satisfactory pregnancy rates (10, 13-17).
Assessment of basal and gonadotropin-releasing hormone-stimulated gonadotropins by immunochemiluminometric and immunofluorometric assays in normal children.
Baker, who makes the case for avoiding use of very high doses of gonadotropins for ovarian stimulation.
Gonadotropins which are at high levels in the middle of the fetal life are considerably low in the cord blood and estrogen is measured to be high.
Explanation: Delivery of gonadotropins to the pharmacy of the University Hospital Ghent for a period of two years with the possibility of up to extended for the period of one year twice.
Gonadotropins in doping: pharmacological basis and detection of illicit use.