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Basal follicle stimulating hormone is collected on the third day of the menstrual cycle to assess follicular development.

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SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that basal follicle stimulating hormone is collected on the third day of the menstrual cycle to assess follicular development?

Yes. Basal follicle-stimulating hormone (FSH) is routinely measured on the second or third day of the menstrual cycle to evaluate ovarian reserve and follicular development.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

Evidence for · 2
Association between menstrual cycle length and ovarian reserve markers and stimulation response: a retrospective cohort study.
2026
This study records baseline follicle-stimulating hormone on cycle day 3 as part of standard ovarian reserve biomarker assessments.
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G, A., B, E., FT, K., U, A., F, A., ENT, G., & E, T. (2026). Association between menstrual cycle length and ovarian reserve markers and stimulation response: a retrospective cohort study.. doi.org. https://doi.org/10.1186/s12905-026-04391-5

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More for · 1
Development and internal validation of a prediction model for clinical pregnancy in GnRH antagonist cycles: a retrospective cohort study.
2026
This retrospective cohort study identifies baseline follicle-stimulating hormone on the 2nd or 3rd day of menstruation as a key clinical predictor in reproductive modeling.
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J, S., Y, H., D, J., W, Z., J, Y., L, Z., L, Z., & D, N. (2026). Development and internal validation of a prediction model for clinical pregnancy in GnRH antagonist cycles: a retrospective cohort study.. doi.org. https://doi.org/10.3389/fendo.2026.1916298

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