Hi.i am a house officer. i want to apply for USMLE step 1 exam. can u plz tell me How long will it take to be ready for exam? and When i have to register on ECFMG? and Can i choose the time of exam? I want to finish step 1 as soon as possible .What certificates and papers needed to apply and where to send? . plz answer me soon. Thanks alot. Bye.