Fig. 4: Geometric mean concentrations of total oestradiol by phase of the menstrual cycle in pre-menopausal women. | British Journal of Cancer

Fig. 4: Geometric mean concentrations of total oestradiol by phase of the menstrual cycle in pre-menopausal women.

From: Endogenous hormones and risk of invasive breast cancer in pre- and post-menopausal women: findings from the UK Biobank

Fig. 4

Menstrual cycle phases were defined by forward dating as early follicular = days 0–5, late follicular = days 6–10, mid-cycle = days 11–14, early luteal = days 15–18, mid-luteal = days 19–24 and late luteal = days ≥25.

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