e (plural ees) 1  The name of the Latin-script letter E/e. ( 2 mathematics) the base of the natural logarithm, 2.718281828459045â¦.
You have hours remaining to take plan BÂ®. Please take it as soon as possible because the sooner you take it, the better it works. plan BÂ® can help prevent pregnancy if taken within 72 hours, and preferably within 12 hours, after a contraceptive accident or unprotected sex. It has been more than 72 hours since you had unprotected sex or a contraceptive accident.
If youâve had unprotected sex, the sooner you take Plan B the more effective it is, so you donât have to stay up all night worrying. You only need one pill, and this will contain 1.5 milligrams levonorgestrel, which is an active ingredient in many contraceptive pills, albeit at lower doses.