On-call schedules will vary, but are generally as follows:
Main OR Call—There is a week long night float system in place (Sunday-Thursday). Residents take 2-6 weeks of night float per year, depending on their year of training. Weekend call is separate and most residents take 1-2 weekend calls/month.
OB Call—There is a week long night float system in place, similar to the Main OR Call. Residents typically take 1 week of OB night float/month and 1-2 weekend calls.
ICU Call—24-hour call which averages once per four days.