Literal question
318. CHECK 311:
IN CURRENT MONTH IN COLUMN 1 OF CALENDAR, ENTER CALENDAR METHOD CODE SHOWN TO THE LEFT OF THE CALENDAR FOR THE HIGHEST METHOD CIRCLED IN 311. THEN DETERMINE WHEN SHE STARTED USING METHOD THIS TIME. ENTER METHOD CODE IN EACH MONTH OF USE. IF CURRENT METHOD STARTED IN JUNE 1998 OR LATER, ENTER METHOD SOURCE CODE IN COLUMN 2 OF CALENDAR IN THE SAME MONTH THAT USE OF CURRENT METHOD BEGAN.
ILLUSTRATIVE QUESTIONS:
When did you start using this method continuously?
How long have you been using this method continuously?
When you started using this method, where did you obtain it?