Literal question
237 When did your last menstrual period start? (Date, if given)
Days ago 1 ___
Weeks ago 2 ___
Months ago 3 ___
Years ago 4 ___
In menopause/has had hysterectomy 994 (Go to 238)
Before last birth 995 (Go to 238)
Never menstruated 996 (Go to 996)