Seasonale

Seasonale

(sē′zə-năl′) A trademark for an oral contraceptive that contains ethinyl estradiol and levonorgestrol and that results in quarterly rather than monthly menstrual cycles.

Seasonale®

Gynecology An OC designed to ↓ the number of menstrual cycles to 4/yr, each ±91 days in duration. See Contraception.