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Fertile Window Blueprint Bundle

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INSIDERS Recommended Products Guide

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Luteinizing Hormone (LH) Chart

A Luteinizing Hormone (LH) Chart, also known as an Ovulation Predictor Kit (OPK) Tracker
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Luteinizing Hormone (LH) Cheat Sheet

Your 1-Page Cheat Sheet:

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LIVE!!! Cycle Secrets: LH Surge Masterclass

Spot and understand the hormone rise that signals ovulation is being attempted!
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Research Behind The Guides

Brady, B. M., Geraghty, E., Boyle, P. M., & Illingworth, P. J. (2007). Characteristics of the urinary luteinizing hormone surge in women with regular menstrual cycles. Fertility and Sterility, 88(5), 1341–1346. https://doi.org/10.1016/j.fertnstert.2007.01.037


Demir, A., Hero, M., Holopainen, E., & Juul, A. (2022). Quantification of urinary total luteinizing hormone immunoreactivity. Frontiers in Endocrinology, 13, 903831. https://doi.org/10.3389/fendo.2022.903831


Direito, A., Bailly, M., & Fauser, B. C. (2013). Relationships between the luteinizing hormone surge and other characteristics of the menstrual cycle in normally ovulating women. Fertility and Sterility, 99(1), 279–285.e3. https://doi.org/10.1016/j.fertnstert.2012.08.047


Erden, A., Demirci, O., & Özcan, P. (2022). The luteinizing hormone surge and ovulation revisited: A systematic review and meta-analysis. Human Reproduction Update, 28(4), 450–468. https://doi.org/10.1093/humupd/dmac005


Khattab, S., Harrington, C., Hughes, C., & O'Brien, P. (2005). The use of urine LH detection kits to time intrauterine insemination with donor sperm. Human Reproduction, 20(9), 2542–2546. https://doi.org/10.1093/humrep/dei098


Leiva, R. A., Bouchard, T. P., Abdullah, S. H., & Ecochard, R. (2017). Urinary luteinizing hormone tests: Which concentration threshold best predicts ovulation? Frontiers in Public Health, 5, 320. https://doi.org/10.3389/fpubh.2017.00320


Wilcox, A. J., Dunson, D., & Baird, D. D. (2000). The timing of the fertile window in the menstrual cycle: Day-specific estimates from a prospective study. BMJ, 321(7271), 1259–1262. https://doi.org/10.1136/bmj.321.7271.1259


World Health Organization. (1998). WHO laboratory manual for the examination of human semen and sperm–cervical mucus interaction (4th ed.). Cambridge University Press.