The estrogen-progestin hormonal pill differs from traditional birth-control pills in that it does not include the week offof placebo pills that leads to a cessation of artificial hormones and bleeding.
The estrogen-progestin hormonal pill differs from traditional birth-control pills in that it does not include the week offof placebo pills that leads to a cessation of artificial hormones and bleeding.
这种含有雌激素和孕酮的激素药丸与传统避孕药区别在于：它没有传统避孕药的“停药周”，因而也就没有停止服用人工激素和月经出血现象。