also known as Estriol (E3) in Saliva (oral fluid)
A pregnancy hormone, a form of estrogen driven by the developing baby, measured in saliva as the free and active portion your tissues can actually use.
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Instalab via Quest · seen today | Quest | today | $99 | order → |
| Cortisol, PM | 14 retailers | $8 |
| Progesterone Test | 13 retailers | $9 |
| Estrone | 13 retailers | $29 |
| Prolactin | 12 retailers | $9 |
| Estradiol | 12 retailers | $8 |
| Dihydrotestosterone Test | 12 retailers | $35 |
| Leptin Test | 10 retailers | $40 |
| Sex Hormone Binding Globulin (SHBG) | 10 retailers | $8 |