luteinizing hormone surge

luteinizing hormone surge

,

LH surge

The abrupt increase in levels of LH that precedes the release of an egg from an ovarian follicle.
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Fuh et al.'s investigated the time-related manner between spontaneous endogenous luteinizing hormone surge, hCG administration, and pregnancy rates in IUI cycles (20).
Suppression of pulsatile luteinizing hormone secretion but not luteinizing hormone surge in leptin resistant obese Zucker rats.
Karsch, "Endotoxin disrupts the estradiol-induced luteinizing hormone surge: interference with estradiol signal reading, not surge release," Endocrinology, vol.
Prospective, randomized trial comparing cetrorelix acetate and ganirelix acetate in a programmed, flexible protocol for premature luteinizing hormone surge prevention in assisted reproductive technologies.
After initiation of menses (menarche), some adolescents have anovulatory cycles, i.e., no luteinizing hormone surge with subsequent lack of ovulation and dysfunctional estrogen effect on the uterine endometrial lining.
Involvement of central metastin in the regulation of preovulatory luteinizing hormone surge and estrous cyclicity in female rats.
Expression of aromatase in the ovary: down-regulation of mRNA by the ovulatory luteinizing hormone surge. Steroids 62:197-206.
Other research also has been unable to demonstrate any significant effect of danazol on steroid receptor concentrations in the endometrium after two 400 mg doses of danazol at 48 and 60 hours after the luteinizing hormone surge. (21) Thus, questions about danazol's effectiveness and mechanism of action remain unresolved.
A controlled study of human chorionic gonadotrophin induced ovulation versus urinary luteinizing hormone surge for timing of intrauterine insemination.
Mohamed Mitwally offered combination therapy with letrozole plus FSH to 12 women with unexplained infertility who had a poor response to at least two cycles with FSH alone, defined as no more than two follicles at least 1.8 cm in diameter on the day of the luteinizing hormone surge or HCG administration.
Bicuculline infusions advance the timing of luteinizing hormone surge in proestrous rats: comparisons with naloxone effects.
That dose mimics the natural luteinizing hormone surge prior to ovulating.
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