This Update is for a Filer from Ohio which he filed for his fiancee from Ukraine, Filed at California Service Center.
This is just for your reference so you can get an idea on the timeline.
02/06/18 – Sent I-129F Package to Texas Lockbox
02/08/18 – USCIS received package
02/14/18 – Notification of NOA1 (Text and Email)
02/20/18 – Hard copy of NOA1
08/17/18 – NOA2 Notification (email & website)
08/20/18 – Hard copy NOA2 received
09/04/18 – Case received at NVC
09/05/18 – NVC Case number assigned
09/20/18 – Embassy Received Case “Ready”
10/01/18 – Medical Exam Appointment
10/03/18 – Interview Appointment – Approved pending Medical Exam test results
Source: VisaJourney.com