Inducers of cytochrome P450 enzymes like carbamazepine and phenytoin can accelerate the metabolism of<unk>  and thereby decrease their bioavailability and circulating levels. Inhibitors of such enzymes can have the opposite effect and can increase<unk> levels and bioavailability.
Estrogen 
Estradiol 
Estradiol
Androgen
Sex hormone
Progesterone
Progesterone 
Estriol