Ovulation PredictionPredicting the time of OVULATION can be achieved by measuring the preovulatory elevation of ESTRADIOL; LUTEINIZING HORMONE or other hormones in BLOOD or URINE. Accuracy of ovulation prediction depends on the completeness of the hormone profiles, and the ability to determine the preovulatory LH peak.
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OvulationThe discharge of an OVUM from a rupturing Graafian follicle. Ovulation is regulated by a surge release of LUTEINIZING HORMONE.
HormonesChemical substances having a specific regulatory effect on the activity of a certain organ or organs. The term was originally applied to substances secreted by various ENDOCRINE GLANDS and transported in the bloodstream to the target organs. It is sometimes extended to include those substances that are not produced by the endocrine glands but that have similar effects.
BloodThe body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
OvulationThe discharge of an OVUM from a rupturing Graafian follicle. Ovulation is regulated by a surge release of LUTEINIZING HORMONE.
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