Linked from
The 39 pages that link to Estrogen, each with the reason it gives.
AromataseNarrower topic: Aromatase produces this hormone class from androgen precursors.
Sex hormone-binding globulinNarrower topic: Estrogen exposure can increase hepatic SHBG production.
EstroneNarrower topic: Estrone is one of the principal naturally occurring estrogens.
EstriolNarrower topic: Estriol is one member of this hormone family.