If you are close to ovulation, EC may not be able to prevent pregnancy if you wait 5 days. Therefore, the best thing to do is take EC as soon as you can get it. A thorough and up-to-date academic review of the medical and social science literature on emergency contraception is available here .
Employer Identification Number - EIN. A unique identification number that is assigned to a business entity so that they can easily be identified by the Internal Revenue Service. The Employer Identification Number is commonly used by employers for the purpose of reporting taxes.
IMEI stands for International Mobile Equipment Identity and is a unique identifier for a mobile device. IMEI is a form of ESN (Electronic Serial Number) .IMEI numbers are typically 15 digit numbers.Here are some example (and invalid) IMEI numbers:1  990000862471854.MEI stands for International Mobile Equipment Identity and is a unique identifier for a mobile device. IMEI is a form of ESN (Electronic Serial Number) . IMEI numbers are typically 15 digit numbers. Here are some example (and invalid) IMEI numbers: 1  990000862471854.