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(Abstracted from Hum Reprod 2024;39:393–402 Serum progesterone levels following ovarian stimulation (OS) are associated with the cycle result in terms of ongoing pregnancy and live birth rate, with levels above a certain threshold associated with poorer results. An increase in progesterone is positively associated with the ovarian response and the FSH dose administered during OS; however, this mechanism is not well understood.
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Bosch et al. (2024) studied this question.
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