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Is there an association between progesterone (P4) levels on the day of hCG or GnRH trigger and on the day of oocyte retrieval in IVF/ICSI cycles?
This article was published in the following journal.
Name: Human reproduction (Oxford, England)
The menstrual cycle is known to impact mood and cognitive function and has been shown to lead to variability in symptoms of obsessive-compulsive disorders and anxiety. Using a within-subject design, t...
Evaluating the benefit of measuring serum progesterone prior to the administration of hCG: effect of the duration of late-follicular elevated progesterone following ovarian stimulation on fresh embryo transfer live birth rates.
progesterone (P) overproduction during ovarian stimulation is associated with lower live-birth rates (LBR) after fresh embryo transfer. Therefore, circulating P levels on the day of hCG administration...
Oxytocin affects physiological and psychological functions that are often expressed sex-specifically, suggesting interactions between oxytocin and sex hormones. As female sex hormone concentrations ch...
The aim of the study was to evaluate the concentration of selected cytokines (tumor necrosis factor [TNFα], interleukin [IL]-6, IL-10) and acute-phase proteins (APPs; haptoglobin [Hp] and serum amylo...
This study used a comparative approach to gather clinical information to assess the effect of bovine somatotropin (bST) on follicular dynamics and ovulation in sheep and goats during an interovulatory...
Step-down approach and late follicular phase progesterone level
This observational study attempts to investigate the potential role of serum progesterone levels on the day of hCG administration (thus, the end of the follicular phase) on the probability...
This study aims to compare clinical pregnancy rates (CPR) in patients who are administered either Gonadotropin-releasing hormone agonists (GnRHa) or human chorionic gonadotropin (hCG) for ...
Oocyte donation is a cumbersome and demanding procedure, involving an injectable hormonal treatment for an average duration of 12 days, according to the protocols, 1 to several daily injec...
To evaluate the influence of circadian rhythm on progesterone levels during follicular phase of natural cycle and during follicular phase of controlled ovarian stimulation during IVF.
The period of the MENSTRUAL CYCLE representing follicular growth, increase in ovarian estrogen (ESTROGENS) production, and epithelial proliferation of the ENDOMETRIUM. Follicular phase begins with the onset of MENSTRUATION and ends with OVULATION.
The period in the MENSTRUAL CYCLE that follows OVULATION, characterized by the development of CORPUS LUTEUM, increase in PROGESTERONE production by the OVARY and secretion by the glandular epithelium of the ENDOMETRIUM. The luteal phase begins with ovulation and ends with the onset of MENSTRUATION.
The period from onset of one menstrual bleeding (MENSTRUATION) to the next in an ovulating woman or female primate. The menstrual cycle is regulated by endocrine interactions of the HYPOTHALAMUS; the PITUITARY GLAND; the ovaries; and the genital tract. The menstrual cycle is divided by OVULATION into two phases. Based on the endocrine status of the OVARY, there is a FOLLICULAR PHASE and a LUTEAL PHASE. Based on the response in the ENDOMETRIUM, the menstrual cycle is divided into a proliferative and a secretory phase.
Method to determine the occurrence of OVULATION by direct or indirect means. Indirect methods examine the effects of PROGESTERONE on cervical mucus (CERVIX MUCUS), or basal body temperature. Direct ovulation detection, generally used in fertility treatment, involves analyses of circulating hormones in blood and ULTRASONOGRAPHY.
The periodic shedding of the ENDOMETRIUM and associated menstrual bleeding in the MENSTRUAL CYCLE of humans and primates. Menstruation is due to the decline in circulating PROGESTERONE, and occurs at the late LUTEAL PHASE when LUTEOLYSIS of the CORPUS LUTEUM takes place.