Table 1.
The amount of average steroid estrogen (E1, 17β-E2, and E3) excretion by human bodies (per person) in µg/day (Adeel et al. 2017; Grdulska and Kowalik 2020)
| Estrone (E1) | 17β-estradiol (17β-E2) | Estriol (E3) | Reference | |
|---|---|---|---|---|
| Average per person | 19.00 | 7.70 | 8100 | (Laurenson et al. 2014) |
| Women | ||||
| On average | 7.00 | 2.40 | 4.40 | (Andaluri et al. 2012) |
| Pregnant | 787 | 277 | 9850 | (Kostich et al. 2013) |
| Menstruating | 9.32 | 6.14 | 17.40 | (Kostich et al. 2013) |
| 3.50 | 8.00 | 4.80 | (Kostich et al. 2013) | |
| Menopausal | 2.30 | 4.00 | 1.00 | (Hamid and Eskicioglu 2012) |
| Menopausal, no HRT* | 2.93 | 1.49 | 3.90 | (Kostich et al. 2013) |
| Menopausal, with HRT* | 31.50 | 59.20 | 90.70 | (Kostich et al. 2013) |
| Males | ||||
| On average | 1.60 | 3.90 | 1.50 | (Hamid and Eskicioglu 2012) |
| Adult male | 3.50 | 1.83 | 3.21 | (Kostich et al. 2013) |
| Children | ||||
| Female | 0.60 | 2.50 | 0.918 | (Kostich et al. 2013) |
| Male | 0.63 | 0.54 | (Kostich et al. 2013) | |
*HRT hormone replacement therapy