Is estradiol 1mg per day effective as a birth control pill?

No. Estradiol is not effective to prevent conception. The progestational component of the birth control pill such as norethindrone, norgestimate, drosperinone is what suppresses ovulation which is what causes the pill to prevent pregnancy. Estradiol is an estrogen, which is in the pill in order to prevent unpredictable bleeding but estrogen does not provide contraception.

Related Questions

How soon is the birth control pill mircette (ethinyl estradiol and desogestrel) effective?

Month 1. If you start the pill the first day of your period then the pill should be effective the first month that you take it.

Will estradiol work as a birth control pill?

No. Birth control pills are a combination of Progesterone and estrogen. The Progesterone component is very important, estrogen (estradiol) alone will not be an effective birth control.